Flyback Converter

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In its various implementations including primary side and secondary side regulation, fixed switching frequency or quasi resonant operation, an isolated or non-isolated flyback topology is most often found in off-line converters for an output power ranging from a few watts up to 100 W. The circuit operation is based on a single switch topology and the energy taken from the input is stored in the transformer’s primary inductance while the power switch is switched on, and transferred to the secondary output when the power switch is switched off.

Efficiency, power density and low stand-by power together are key requirements for flyback topologies together with reliability.

In addition to a range of controllers, power MOSFETs and integrated high-voltage converters as well as diodes and protection devices, ST offers a full set of hardware and software development and evaluation tools to help design high-efficiency, flyback AC-DC converters.

Flyback Synch. Rect Controller

STripFET F7 series

Part Number	Description
STEVAL-ISA062V1	6 W dual output SMPS demonstration board based on the VIPER17	Quick view Key Features Efficiency: 80% typical at 12 V output Line regulation: +/- 0.2% EMI: EN55022 class \"B\" Safety: overvoltage, overcurrent, brown out Load and cross regulation #2: +/-10% Load and cross regulation #1: +/-1% Input voltage range: 85 Vac to 264 Vac Temperature range from: 0° to 85 °C 105°C possible Input frequency: 47 Hz to 63 Hz Output voltage and current # 2: 12 V @ 0.25 A Output power: 5.5 W Output voltage and current # 1: 5 V @ 0.5 A Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
EVL6566B-40WSTB	40 W wide input range flyback converter using L6566BH Multimode controller for SMPS	Quick view Key Features Input voltage: Vin: 90 - 264 Vrms, f: 45-66 Hz Output voltages: 1.8 V/1.73 A, dedicated to digital circuitry and to 1.2 V local post regulators 3.3 V/0.5 A, dedicated to analog peripherals and 2.5 V regulators 5 V/2.4 A, dedicated to HDD/DVD and 5 V circuitry 12V/ 1.9Avg÷2.9Apk, dedicated to HDD/DVD, SCART and LNBP21 for satellite stb. Average load is 1.9 A, 2.9 A is dedicated to HDD/DVD spin-up Standby: better then 800 mW @ 230 Vin and 50 mA load No-load: better then 250 mW @ 230 Vin Short circuit protection: on all outputs, with auto-restart at short removal PCB type and size: Single side 70 μm (2-Oz), CEM-1, 150 x 75 mm Safety: Acc. to EN60065, creep age and clearance minimum distance 6.4 mm EMI: Acc. to with EN50022-Class B Show More Product Details Download databrief
STEVAL-ISA081V1	12 V /1 A SMPS wide range demonstration board based on the VIPER26	Quick view Key Features Vin: 85 ~ 305 Vrms / f: 45 ~ 66 Hz V_out1 : 12 VDC ± 10 %, 1 A (at 3.3 V not loaded) V_out2 : 3.3 VDC ± 4 %, 100 mA Maximum total output current: 1 A Standby < 120 mW at 230 VAC Short-circuit: protected PCB type and size: FR4, single-side 35 μm, 32 x 90 mm Isolation: isolated 4 kV / 8 mm EMI: according to EN55022 Class RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
EVL6566B-65W-QR	19 V - 65 W quasi resonant flyback adapter board	Quick view Key Features Universal input mains range: 90 264 Vac - frequency 45 ÷ 65Hz Output voltage: 19 V @ 3.42 A continuous operation Mains harmonics: according to EN61000-3-2 Class-D or JEITA-MITI Class-D Stand-by mains consumption: <100 mW @ 230 Vac Average efficiency: better than 89% without synchronous rectification EMI: according to EN55022-Class-B Safety: according to EN60950 Dimensions: 58x121 mm, 25 mm components maximum height PCB: single side, 35 μm, CEM-1, mixed PTH/SMT Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA071V2	4 W non-insulated, wide input voltage range SMPS based on the VIPer16	Quick view Key Features Input: V_IN : 85 - 264 Vrms f: 45 - 66 Hz Output: 12 V_DC ± 10% (referred to -5 V), 160 mA -5 VDC ± 4%, 400 mA Maximum output power: 4 W (range is up to 6 W for EU) Standby power: 35 mW at 230 VAC Short-circuit protected Insulation: non-insulated; N connected to output GND EMI: in accordance with EN55022 class B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA103V1	Wide range (90 V - 265 V) input, 5 V - 12 W output demonstration board with improved standby performance based on VIPER27LN	Quick view Key Features Vin: 90 V - 265 V Vout: 5 V Pout: 12 W Very low standby consumption Overload protection Secondary winding short-circuit protection Output overvoltage protection Brownout protection ENERGY STAR® compliant RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA111V1	Wide range single output demonstration board based on the VIPER26HN	Quick view Key Features Universal input mains range: input voltage 90 - 264 V_AC frequency 45 - 65 Hz Single-output voltage: 12 V at 1 A continuous operation Standby mains consumption: < 30 mW at 230 V_AC Average efficiency: > 80% Fully protected against faults (overload, feedback disconnection and overheating) EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM
STEVAL-ISA117V1	Wide range isolated flyback demonstration board, single output 12 V/4.2 W based on the VIPer16LN	Quick view Key Features Universal input mains range: input voltage 90 - 264 V_AC frequency 45 - 65 Hz Single output voltage: 12 V at 0.35 A continuous operation Stand-by mains consumption: < 30 mW at 230 V_AC Average efficiency: > 75 % Fully protected against faults (overload, feedback disconnection and overheating) EMI: according to EN55022-Class-B Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA118V1	Offline power converter demonstration board using the Viper16	Quick view Key Features Offline converter for wide range input voltage Output power: up 6 W No need for auxiliary winding (selectable option) 30 mW standby consumption (with auxiliary winding) High efficiency tested in accordance with the ENERGY STAR^® active mode method EMI test pre-compliant to EN55022 Class B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA121V1	Wide range single-output demonstration board based on the VIPER37LE	Quick view Key Features Universal input mains range: input voltage 90 - 264 V_AC frequency 45 - 65 Hz Single-output voltage: 5 V @ 3 A continuous operation Standby mains consumption:< 30 mW @ 230 V_AC Average efficiency: > 75% Complies with EuP Lot 6 requirements Fully protected against faults overload, overvoltage, transformer saturation and overheating Compliant with EMC norm EN55022-Class-B RoHS compilant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA110V1	12 V/12 W wide range non-isolated flyback based on the VIPER26LN	Quick view Key Features Universal input mains range: input voltage 90 - 264 V_AC frequency 45 - 65 Hz Single output voltage: 12 V @ 1 A continuous operation Standby mains consumption: < 30 mW @ 265 V_AC Average efficiency: > 85% Fully protected against faults (overload, feedback disconnection and overheating) EMI: according to EN55022-Class-B Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA122V1	Wide input-range, single-output 5 V / 11 W power supply demonstration board based on the VIPer27	Quick view Key Features Wide input voltage range (V_IN ): 90 to 265 V_rms Nameplate output voltage (V_out ): 5 V Max output current I_OUT : 2.2 A Precision of output regulation: ±5% High frequency output voltage ripple (ΔV_{out_HF} ): 50 mV Max ambient operating temperature (T_A ): 60 °C RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA112V1	Wide range non-isolated flyback demonstration board, single-output 12 V/4 W based on the VIPER06HN	Quick view Key Features Universal input mains range: input voltage 90 - 265 V_AC frequency 45 - 65 Hz Single-output voltage: 12 V at 350 mA continuous operation Standby mains consumption: < 30 mW at 230 V_AC Average efficiency: > 75% Complying with EuP Lot 6 requirements Fully protected against short-circuit Fully protected against overheating Compliant to EMC norm EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA113V1	Wide range single-output demonstration board based on the VIPER06HS	Quick view Key Features Universal input mains range: input voltage 90 - 265 V_AC frequency 45 - 65 Hz Single-output voltage: 12 V at 0.35 A continuous operation Standby mains consumption: < 30 mW at 230 V_AC Average efficiency: > 74% Fully protected against faults (overload, feedback disconnection and overheating) EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA125V1	5 V/10 W, 60 kHz isolated flyback with extra power management based on the VIPer28L	Quick view Key Features Input voltage range: 90 V_RMS - 265 V_RMS Output voltage: 5 V Max output current: I_OUT max = 2 A Peak output current: I_OUT pk = 3 A Precision of output regulation: ΔV_{OUT_LF} ±5% High frequency output voltage ripple: ΔV_{OUT_HF} = 50 mV Max ambient operating temperature: T_A = 60 ºC 800 V avalanche-rugged power section PWM operation at 60 kHz with frequency jittering for lower EMI Limiting current with adjustable set point On-board soft-start Safe auto-restart after a fault condition; low standby power (< 50 mW at 265 V_ac ). Adjustable, accurate overvoltage protection, thermal shutdown with hysteresis, delayed overload protection Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA129V1	16 V-280 mA non isolated off-line high voltage converter based on the VIPer16H	Quick view Key Features Input voltage range VIN: 90 VRMS - 265 VRMS Output voltage VOUT: 16 V Max output current IOUT: 0.28 A Precision of output regulation VOUT_LF: ±5% High frequency output voltage ripple VOUT_HF: 50 mV Max ambient operating temperature TA: 60 °C RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA134V1	12 V - 4 W, 115 kHz isolated flyback based on the VIPer06	Quick view Key Features AC main input voltage V_IN : 85 V_AC - 265 V_AC Main frequency f_L : 50 Hz; 60 Hz Output voltage V_OUT : 12 V Max output current I_OUT : 333 mA Precision of output regulation ΔV_{OUT_LF} : ± 5% High frequency output voltage ripple: ΔV_{OUT_HF} 50 mV Min active mode efficiency ηAV = 71% Max ambient operating temperature: T_AMB = 60 °C Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA136V1	3W, 5V output, isolated flyback converter using VIPer™ Plus - VIPER06HN	Quick view Key Features Universal input mains range: 85 - 265 V_AC frequency: 50 - 60 Hz Output voltage: 5 V / 0.6 A Very compact size Stand-by mains consumption: < 30 mW at 230 V_AC Min active mode efficiency η_AV =66.89% EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA135V1	4 W, 12 V output, isolated flyback converter using VIPer™ Plus - VIPER06HS	Quick view Key Features AC main input voltage: V_IN 85 V_AC - 265 V_AC Main frequency: f_L 50 Hz - 60 Hz Output voltage: V_OUT 12 V Max output current: I_OUT 333 mA Precision of output regulation: ΔV_{OUT_LF} ±5 % High frequency output voltage ripple: ΔV_{OUT_HF} 50 mV Min active mode efficiency: η_AV 71 % Max ambient operating temperature: T_AMB 60 ºC Thermal shutdown with hysteresis Delayed overload protection Open loop failure protection (if auxiliary winding is used) RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA126V1	5 V-2 A, 115 kHz flyback with temporary extra-power management based on the VIPER28HN	Quick view Key Features Input voltage range: 90 V_RMS to 265 V_RMS Output voltage: 5 V Max output current: I_OUTmax 2 A Peak output current: I_OUTpk 3 A Precision of output regulation: ΔV_{OUT_LF} ±5% High frequency output voltage ripple: ΔV_{OUT_HF} 50 mV Max ambient operating temperature: TA 60 ºC 800 V avalanche rugged power section PWM operation , at 115 kHz with frequency jittering for lower EMI Limiting current with adjustable set point On-board soft-start Safe auto-restart after a fault condition, low standby power (< 50 mW at 265 Vac) Adjustable and accurate over voltage protection, thermal shutdown with hysteresis, delayed overload protection RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA140V1	15W, 12V output, isolated flyback converter using VIPer™ Plus - VIPER37HE	Quick view Key Features AC Main Input voltage range: 100 V_AC to 265 V_AC Mains frequency (f_L ): 50 Hz / 60 Hz Output voltage typ: 12 V Output current: 1.25 A Output ripple voltage: 50 mV Rated output power: 15 W Input power in standby @230 V_AC : 50 mW Active mode efficiency: 78% Ambient operating temperature: 60 °C RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA153V1	12 V, 15 W (20 W peak) isolated flyback converter based on the VIPER38LE	Quick view Key Features Universal input mains range: 90 – 265 V_AC frequency: 50 - 60 Hz Output voltage/current: 12 V/1.25 A (1.65 A peak) Very compact size Standby mains consumption: lower than 30 mW at 230 V_AC Minimum active mode efficiency: 81.55% Minimum active mode at 10% load efficiency: 71.55% EMI: in accordance with EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA162V1	12 V/10 W isolated flyback converter based on VIPer25HD	Quick view Key Features Universal input mains range: 90 – 265 V_AC , frequency: 50 – 60 Hz Output voltage: 12 V/0.84 A Very compact size Quasi resonant operation Standby mains consumption: < 35 mW at 230 V_AC Average efficiency: > 82% (compliant with CoC version 5, Tier 2) EMI: in accordance with EN55022-Class-B Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ILL074V1	60 W wide input range flyback converter using HVLED001A quasi resonant flyback controller	Quick view Key Features Input voltage: V_in = 90 - 277 V_rms , f = 45-66 Hz Output voltage: 52 V / 1.2 A High power factor, low THD Full load efficiency: greater than 90% Short circuit protection Safety: complies with EN60065 PCB board: 165 mm x 50 mm double sided PCB RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA171V1	12 V - 15 W quasi resonant flyback converter based on the VIPER35HD	Quick view Key Features Wide input voltage range: 90 V_AC to 264 V_AC Output voltage: 12 V Output current: 1.25 A Rated output power: 15 W Quasi resonant operation Input power standby @ 230 V_AC : < 30 mW Active mode efficiency: > 82% EMI: pre-compliance with EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA174V1	7 W dual output offline flyback converter for home appliances using VIPer0P	Quick view Key Features Zero-power input consumption ratified as per IEC62301 Clause 4.5 (P_{IN_ZPM} < 5 mW at 230 V_AC ) Negative output voltage easily set through the voltage divider Five-star energy efficiency when operating with no load (P_{IN_no_load} < 10 mW at 230 V_AC ) Meets ErP Lot 6 Tier 2 requirements for household and office equipment Meets European regulation 1275/2008 regarding eco-design requirements for standby and off-mode electric power consumption for household and office equipment Compliant with the ErP Lot 6 Tier 2 requirements in off-mode Compliant with the 10% load efficiency and 4-point average active-mode efficiency targets prescribed by the European CoC ver. 5 Tier 2 Meets IEC55022 Class B conducted EMI even with reduced EMI filter, thanks to the frequency jittering feature VIPer0P 800 V avalanche rugged technology and its embedded protections ensure enhanced system reliability RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA175V1	9.4 W, 15 V-5 V-3.3 V, three output isolated flyback converter for smart meter and power line systems using the VIPER26HD	Quick view Key Features Triple output voltage: 15 V @ 0.55 A_rms (0.7 A peak), 3.3 V @ 200 mA and 5 V @ 100 mA Extended AC mains input voltage range: 90 V_AC to 440 V_AC Meets STCOMET smart meter and power line communication system specs EMC with EN55022, EN61000, EN61000-4-4, EN61000-4-5, EN61000-4-6 RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA176V1	ALTAIR05T-800 5 W wide range CV-CC optoless adapter evaluation board	Quick view Key Features Universal input mains range: 90 - 264 V AC, frequency 45-65 Hz Output voltage: 5 V @ 1 A continuous operation Optoless constant voltage - constant current output regulation Standby mains consumption: < 100 mW @ 230 V AC Average efficiency: >70% EMI: in accordance with EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA184V1	5V/1.2A 12V/750mA double output flyback converter using VIPER37LD	Quick view Key Features Universal input mains range: 85 – 265 V_AC ; frequency: 50 – 60 Hz Output voltage 1: 5 V / 1.2 A Output voltage 2: 12 V / 0.75 A Very compact size Standby mains consumption: < 40 mW at 230 V_AC Average efficiency: > 75% EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA191V1	5 V - 12 V, 15 W double output isolated flyback converter based on VIPer37LE	Quick view Key Features Universal input mains range: 85 – 265 V_AC frequency: 50 – 60 Hz Output voltage1: 5 V / 1.2 A Output voltage2: 12 V / 0.75 A Very compact size Stand-by mains consumption: < 40 mW at 230 V_AC Average efficiency: > 75% EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ILL074V2	60 W wide input range flyback converter using HVLED001A controller in FOT mode	Quick view Key Features Input voltage: V_in = 90 - 277 V_rms , f = 45-66 Hz Output voltage: 52 V / 1.2 A High power factor, low THD Full load efficiency: above 90% Short circuit protection Safety: compliant with EN60065 PCB board: 165 mm x 50 mm double-sided PCB RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA182V1	8.4 W / 30 W peak power offline flyback converter using VIPER38HD	Quick view Key Features US input range: 85 – 132 V_AC , frequency: 50 – 60 Hz Output voltage / current: 12 V / 0.7 A (2.5 A peak) Very compact size Standby mains consumption: lower than 25 mW at 115 V_AC Min. active mode efficiency: 81.14% Min. active mode at 10% load efficiency: 71.14% EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA196V1	5 V / 1.2 A non-isolated flyback converter using VIPerPlus?VIPer114LS	Quick view Key Features Universal AC main input voltage range: 85V_AC to 265V_AC Output voltage: 5 V Output current: 1.2 A Rated output power: 6 W No load input power @230 V_AC : < 10 mW Active mode efficiency: > 78% EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA197V1	12 V, 7.8 W isolated flyback converter based on VIPer114LS	Quick view Key Features Universal input mains range: 90 – 265V_AC , frequency: 50 – 60 Hz Output voltage: 12 V Output current: 0.65 A Very compact size Stand-by mains consumption: < 20 mW at 230V_AC Average efficiency: > 81% EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA177V1	5 V, 0.85 A flyback converter using VIPer™ Plus - VIPer01	Quick view Key Features Universal AC main input voltage range: 85V_AC to 265V_AC Output range: 5 V / 0.85 A Rated output power: 4.25 W Input power in standby @ 230 V_AC : < 9 mW Active mode efficiency: > 74% EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA180V1	12 V - 0.6 A flyback isolated converter using VIPer™ Plus - VIPer0P	Quick view Key Features Universal AC main input voltage range: 85 to 265 V_AC Output range: 12 V - 0.6 A Rated output power: 7.2 W Input power in standby @ 230 V_AC : less than 18 mW Active mode efficiency: > 80% EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA181V1	12 V / 600 mA high voltage flyback converter with remote standby control using the VIPer0P	Quick view Key Features Smart standby architecture using Zero Power Mode (ZPM) with IR remote on/off control suitable for Air Conditioning subsystems and other applications Based on VIPer0P high voltage converter with embedded 800V avalanche rugged power MOSEFET and a current mode PWM controller with a set of protections for enhanced system reliability Input power consumption in Zero Power Mode lower than 8 mW at 230V_AC (switched-off by remote IR control) while supplying microcontroller and IR receiver Input power consumption at no load less than 30 mW at 230V_AC , including microcontroller consumption Average efficiency > 80.2% compliant with EuCoC rev. 5 – Tier 2 and EPS of DOE USA Meets IEC55022 Class B conducted EMI even with reduced EMI filter, thanks to the frequency jittering feature Meets IEC61000-4-2(ESD), IEC61000-4-4 (EFT) and IEC61000-4-5 (Surge) RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA192V1	7 W dual output flyback converter with standby managed by capacitive touch using VIPer0P and STM32L	Quick view Key Features Smart standby architecture using the zero power mode (ZPM) for capacitive touch sensing in consumer electronics applications Enhanced system reliability thanks to VIPer0P 800 V avalanche rugged technology and its embedded protection Minimized system input power consumption: less than 30 mW at 230 V_AC in ZPM IEC55022 Class B conducted EMI compliant, even with reduced EMI filter, thanks to the frequency jittering feature IEC61000-4-2 (ESD), IEC61000-4-4 (EFT) and IEC61000-4-5 (Surge) compliant RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA183V1	16 W triple output quasi resonant flyback converter for air conditioning applications using VIPer35LD	Quick view Key Features AC main input voltage range : 175 V_AC to 275 V_AC Triple output voltages: 12 V - 1 A (isolated), 15 V - 200 mA (non-isolated), 5 V - 200 mA (non-isolated), continuous operation High performance at low load conditions: < 50 mW at no-load condition and < 1.5 W input power at minimum operative output power (0.91 W) Efficiency at full load: > 81% EMI: According to EN55022-Class-B, using low cost input filter RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM
STEVAL-USBPD45H	USB Power Delivery (Type-C PD) 45 W USB wall power adapter solution based on STCH02 and STUSB4700	Quick view Key Features USB wall power adapter input: 85 V_AC to 264 V_AC USB voltage output: 5 V, 9 V and 15 V Current limit: 3 A for all voltage level profiles Load power limited to 45 W Cable compensation Isolated quasi-resonant flyback Efficiency 90% (approx.) USB Type-C Power Delivery compatible USB-IF certified Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA193V2	15 W, 5 V - 3 A output CC primary sensing USB adapter based on STCH02	Quick view Key Features Universal AC Main Input voltage range : 90 V_AC to 264 V_AC Output range: 5 V - 3 A continuous operation Constant voltage (CV) and constant current (CC) operation with CC primary sensing Input power in standby < 10 mW at 230 V_AC Average efficiency: > 81.84%, complies with EuCoC rev. 5 – Tier 2 and EPS of DOE USA EMI: According to EN55022-Class Small form factor: (44 x 35 x 15 mm) RoHS compliant WEEE compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber

Part Number

STEVAL-ISA062V1

6 W dual output SMPS demonstration board based on the VIPER17

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Key Features

Efficiency: 80% typical at 12 V output
Line regulation: +/- 0.2%
EMI: EN55022 class \"B\"
Safety: overvoltage, overcurrent, brown out
Load and cross regulation #2: +/-10%
Load and cross regulation #1: +/-1%
Input voltage range: 85 Vac to 264 Vac
Temperature range from: 0° to 85 °C 105°C possible
Input frequency: 47 Hz to 63 Hz
Output voltage and current # 2: 12 V @ 0.25 A
Output power: 5.5 W
Output voltage and current # 1: 5 V @ 0.5 A

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EVL6566B-40WSTB

40 W wide input range flyback converter using L6566BH Multimode controller for SMPS

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Key Features

Input voltage: Vin: 90 - 264 Vrms, f: 45-66 Hz
Output voltages:
- 1.8 V/1.73 A, dedicated to digital circuitry and to 1.2 V local post regulators
- 3.3 V/0.5 A, dedicated to analog peripherals and 2.5 V regulators
- 5 V/2.4 A, dedicated to HDD/DVD and 5 V circuitry
- 12V/ 1.9Avg÷2.9Apk, dedicated to HDD/DVD, SCART and LNBP21 for satellite stb. Average load is 1.9 A, 2.9 A is dedicated to HDD/DVD spin-up
Standby: better then 800 mW @ 230 Vin and 50 mA load
No-load: better then 250 mW @ 230 Vin
Short circuit protection: on all outputs, with auto-restart at short removal
PCB type and size: Single side 70 μm (2-Oz), CEM-1, 150 x 75 mm
Safety: Acc. to EN60065, creep age and clearance minimum distance 6.4 mm
EMI: Acc. to with EN50022-Class B

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STEVAL-ISA081V1

12 V /1 A SMPS wide range demonstration board based on the VIPER26

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Key Features

Vin: 85 ~ 305 Vrms / f: 45 ~ 66 Hz
V_out1 : 12 VDC ± 10 %, 1 A (at 3.3 V not loaded)
V_out2 : 3.3 VDC ± 4 %, 100 mA
Maximum total output current: 1 A
Standby < 120 mW at 230 VAC
Short-circuit: protected
PCB type and size: FR4, single-side 35 μm, 32 x 90 mm
Isolation: isolated 4 kV / 8 mm
EMI: according to EN55022 Class
RoHS compliant

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EVL6566B-65W-QR

19 V - 65 W quasi resonant flyback adapter board

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Key Features

Universal input mains range: 90 264 Vac - frequency 45 ÷ 65Hz
Output voltage: 19 V @ 3.42 A continuous operation
Mains harmonics: according to EN61000-3-2 Class-D or JEITA-MITI Class-D
Stand-by mains consumption: <100 mW @ 230 Vac
Average efficiency: better than 89% without synchronous rectification
EMI: according to EN55022-Class-B
Safety: according to EN60950
Dimensions: 58x121 mm, 25 mm components maximum height
PCB: single side, 35 μm, CEM-1, mixed PTH/SMT

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STEVAL-ISA071V2

4 W non-insulated, wide input voltage range SMPS based on the VIPer16

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Key Features

Input:
- V_IN : 85 - 264 Vrms
- f: 45 - 66 Hz
Output:
- 12 V_DC ± 10% (referred to -5 V), 160 mA
- -5 VDC ± 4%, 400 mA
Maximum output power: 4 W (range is up to 6 W for EU)
Standby power: 35 mW at 230 VAC
Short-circuit protected
Insulation: non-insulated; N connected to output GND
EMI: in accordance with EN55022 class B
RoHS compliant

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STEVAL-ISA103V1

Wide range (90 V - 265 V) input, 5 V - 12 W output demonstration board with improved standby performance based on VIPER27LN

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Key Features

Vin: 90 V - 265 V
Vout: 5 V
Pout: 12 W
Very low standby consumption
Overload protection
Secondary winding short-circuit protection
Output overvoltage protection
Brownout protection
ENERGY STAR® compliant
RoHS compliant

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STEVAL-ISA111V1

Wide range single output demonstration board based on the VIPER26HN

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Key Features

Universal input mains range:
- input voltage 90 - 264 V_AC
- frequency 45 - 65 Hz
Single-output voltage: 12 V at 1 A continuous operation
Standby mains consumption: < 30 mW at 230 V_AC
Average efficiency: > 80%
Fully protected against faults (overload, feedback disconnection and overheating)
EMI: according to EN55022-Class-B
RoHS compliant

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STEVAL-ISA117V1

Wide range isolated flyback demonstration board, single output 12 V/4.2 W based on the VIPer16LN

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Key Features

Universal input mains range:
- input voltage 90 - 264 V_AC
- frequency 45 - 65 Hz
Single output voltage: 12 V at 0.35 A continuous operation
Stand-by mains consumption: < 30 mW at 230 V_AC
Average efficiency: > 75 %
Fully protected against faults (overload, feedback disconnection and overheating)
EMI: according to EN55022-Class-B

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STEVAL-ISA118V1

Offline power converter demonstration board using the Viper16

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Key Features

Offline converter for wide range input voltage
Output power: up 6 W
No need for auxiliary winding (selectable option)
30 mW standby consumption (with auxiliary winding)
High efficiency tested in accordance with the ENERGY STAR^® active mode method
EMI test pre-compliant to EN55022 Class B
RoHS compliant

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STEVAL-ISA121V1

Wide range single-output demonstration board based on the VIPER37LE

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Key Features

Universal input mains range:
- input voltage 90 - 264 V_AC
- frequency 45 - 65 Hz
Single-output voltage: 5 V @ 3 A continuous operation
Standby mains consumption:< 30 mW @ 230 V_AC
Average efficiency: > 75%
Complies with EuP Lot 6 requirements
Fully protected against faults overload, overvoltage, transformer saturation and overheating
Compliant with EMC norm EN55022-Class-B
RoHS compilant

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STEVAL-ISA110V1

12 V/12 W wide range non-isolated flyback based on the VIPER26LN

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Key Features

Universal input mains range:
- input voltage 90 - 264 V_AC
- frequency 45 - 65 Hz
Single output voltage: 12 V @ 1 A continuous operation
Standby mains consumption: < 30 mW @ 265 V_AC
Average efficiency: > 85%
Fully protected against faults (overload, feedback disconnection and overheating)
EMI: according to EN55022-Class-B

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STEVAL-ISA122V1

Wide input-range, single-output 5 V / 11 W power supply demonstration board based on the VIPer27

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Key Features

Wide input voltage range (V_IN ): 90 to 265 V_rms
Nameplate output voltage (V_out ): 5 V
Max output current I_OUT : 2.2 A
Precision of output regulation: ±5%
High frequency output voltage ripple (ΔV_{out_HF} ): 50 mV
Max ambient operating temperature (T_A ): 60 °C
RoHS compliant

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STEVAL-ISA112V1

Wide range non-isolated flyback demonstration board, single-output 12 V/4 W based on the VIPER06HN

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Key Features

Universal input mains range:
- input voltage 90 - 265 V_AC
- frequency 45 - 65 Hz
Single-output voltage: 12 V at 350 mA continuous operation
Standby mains consumption: < 30 mW at 230 V_AC
Average efficiency: > 75%
Complying with EuP Lot 6 requirements
Fully protected against short-circuit
Fully protected against overheating
Compliant to EMC norm EN55022-Class-B
RoHS compliant

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STEVAL-ISA113V1

Wide range single-output demonstration board based on the VIPER06HS

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Key Features

Universal input mains range:
- input voltage 90 - 265 V_AC
- frequency 45 - 65 Hz
Single-output voltage: 12 V at 0.35 A continuous operation
Standby mains consumption: < 30 mW at 230 V_AC
Average efficiency: > 74%
Fully protected against faults (overload, feedback disconnection and overheating)
EMI: according to EN55022-Class-B
RoHS compliant

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STEVAL-ISA125V1

5 V/10 W, 60 kHz isolated flyback with extra power management based on the VIPer28L

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Key Features

Input voltage range: 90 V_RMS - 265 V_RMS
Output voltage: 5 V
Max output current: I_OUT max = 2 A
Peak output current: I_OUT pk = 3 A
Precision of output regulation: ΔV_{OUT_LF} ±5%
High frequency output voltage ripple: ΔV_{OUT_HF} = 50 mV
Max ambient operating temperature: T_A = 60 ºC
800 V avalanche-rugged power section
PWM operation at 60 kHz with frequency jittering for lower EMI
Limiting current with adjustable set point
On-board soft-start
Safe auto-restart after a fault condition; low standby power (< 50 mW at 265 V_ac ).
Adjustable, accurate overvoltage protection, thermal shutdown with hysteresis, delayed overload protection

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STEVAL-ISA129V1

16 V-280 mA non isolated off-line high voltage converter based on the VIPer16H

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Key Features

Input voltage range VIN: 90 VRMS - 265 VRMS
Output voltage VOUT: 16 V
Max output current IOUT: 0.28 A
Precision of output regulation VOUT_LF: ±5%
High frequency output voltage ripple VOUT_HF: 50 mV
Max ambient operating temperature TA: 60 °C
RoHS compliant

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STEVAL-ISA134V1

12 V - 4 W, 115 kHz isolated flyback based on the VIPer06

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Key Features

AC main input voltage V_IN : 85 V_AC - 265 V_AC
Main frequency f_L : 50 Hz; 60 Hz
Output voltage V_OUT : 12 V
Max output current I_OUT : 333 mA
Precision of output regulation ΔV_{OUT_LF} : ± 5%
High frequency output voltage ripple: ΔV_{OUT_HF} 50 mV
Min active mode efficiency ηAV = 71%
Max ambient operating temperature: T_AMB = 60 °C

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STEVAL-ISA136V1

3W, 5V output, isolated flyback converter using VIPer™ Plus - VIPER06HN

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Key Features

Universal input mains range: 85 - 265 V_AC frequency: 50 - 60 Hz
Output voltage: 5 V / 0.6 A
Very compact size
Stand-by mains consumption: < 30 mW at 230 V_AC
Min active mode efficiency η_AV =66.89%
EMI: according to EN55022-Class-B
RoHS compliant

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STEVAL-ISA135V1

4 W, 12 V output, isolated flyback converter using VIPer™ Plus - VIPER06HS

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Key Features

AC main input voltage: V_IN 85 V_AC - 265 V_AC
Main frequency: f_L 50 Hz - 60 Hz
Output voltage: V_OUT 12 V
Max output current: I_OUT 333 mA
Precision of output regulation: ΔV_{OUT_LF} ±5 %
High frequency output voltage ripple: ΔV_{OUT_HF} 50 mV
Min active mode efficiency: η_AV 71 %
Max ambient operating temperature: T_AMB 60 ºC
Thermal shutdown with hysteresis
Delayed overload protection
Open loop failure protection (if auxiliary winding is used)
RoHS compliant

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STEVAL-ISA126V1

5 V-2 A, 115 kHz flyback with temporary extra-power management based on the VIPER28HN

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Key Features

Input voltage range: 90 V_RMS to 265 V_RMS
Output voltage: 5 V
Max output current: I_OUTmax 2 A
Peak output current: I_OUTpk 3 A
Precision of output regulation: ΔV_{OUT_LF} ±5%
High frequency output voltage ripple: ΔV_{OUT_HF} 50 mV
Max ambient operating temperature: TA 60 ºC
800 V avalanche rugged power section
PWM operation , at 115 kHz with frequency jittering for lower EMI
Limiting current with adjustable set point
On-board soft-start
Safe auto-restart after a fault condition, low standby power (< 50 mW at 265 Vac)
Adjustable and accurate over voltage protection, thermal shutdown with hysteresis, delayed overload protection
RoHS compliant

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STEVAL-ISA140V1

15W, 12V output, isolated flyback converter using VIPer™ Plus - VIPER37HE

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Key Features

AC Main Input voltage range: 100 V_AC to 265 V_AC
Mains frequency (f_L ): 50 Hz / 60 Hz
Output voltage typ: 12 V
Output current: 1.25 A
Output ripple voltage: 50 mV
Rated output power: 15 W
Input power in standby @230 V_AC : 50 mW
Active mode efficiency: 78%
Ambient operating temperature: 60 °C
RoHS compliant

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STEVAL-ISA153V1

12 V, 15 W (20 W peak) isolated flyback converter based on the VIPER38LE

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Key Features

Universal input mains range: 90 – 265 V_AC frequency: 50 - 60 Hz
Output voltage/current: 12 V/1.25 A (1.65 A peak)
Very compact size
Standby mains consumption: lower than 30 mW at 230 V_AC
Minimum active mode efficiency: 81.55%
Minimum active mode at 10% load efficiency: 71.55%
EMI: in accordance with EN55022-Class-B
RoHS compliant

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STEVAL-ISA162V1

12 V/10 W isolated flyback converter based on VIPer25HD

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Key Features

Universal input mains range: 90 – 265 V_AC , frequency: 50 – 60 Hz
Output voltage: 12 V/0.84 A
Very compact size
Quasi resonant operation
Standby mains consumption: < 35 mW at 230 V_AC
Average efficiency: > 82% (compliant with CoC version 5, Tier 2)
EMI: in accordance with EN55022-Class-B

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STEVAL-ILL074V1

60 W wide input range flyback converter using HVLED001A quasi resonant flyback controller

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Key Features

Input voltage: V_in = 90 - 277 V_rms , f = 45-66 Hz
Output voltage: 52 V / 1.2 A
High power factor, low THD
Full load efficiency: greater than 90%
Short circuit protection
Safety: complies with EN60065
PCB board: 165 mm x 50 mm double sided PCB
RoHS compliant

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STEVAL-ISA171V1

12 V - 15 W quasi resonant flyback converter based on the VIPER35HD

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Key Features

Wide input voltage range: 90 V_AC to 264 V_AC
Output voltage: 12 V
Output current: 1.25 A
Rated output power: 15 W
Quasi resonant operation
Input power standby @ 230 V_AC : < 30 mW
Active mode efficiency: > 82%
EMI: pre-compliance with EN55022-Class-B
RoHS compliant

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STEVAL-ISA174V1

7 W dual output offline flyback converter for home appliances using VIPer0P

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Key Features

Zero-power input consumption ratified as per IEC62301 Clause 4.5 (P_{IN_ZPM} < 5 mW at 230 V_AC )
Negative output voltage easily set through the voltage divider
Five-star energy efficiency when operating with no load (P_{IN_no_load} < 10 mW at 230 V_AC )
Meets ErP Lot 6 Tier 2 requirements for household and office equipment
Meets European regulation 1275/2008 regarding eco-design requirements for standby and off-mode electric power consumption for household and office equipment
Compliant with the ErP Lot 6 Tier 2 requirements in off-mode
Compliant with the 10% load efficiency and 4-point average active-mode efficiency targets prescribed by the European CoC ver. 5 Tier 2
Meets IEC55022 Class B conducted EMI even with reduced EMI filter, thanks to the frequency jittering feature
VIPer0P 800 V avalanche rugged technology and its embedded protections ensure enhanced system reliability
RoHS compliant

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STEVAL-ISA175V1

9.4 W, 15 V-5 V-3.3 V, three output isolated flyback converter for smart meter and power line systems using the VIPER26HD

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Key Features

Triple output voltage: 15 V @ 0.55 A_rms (0.7 A peak), 3.3 V @ 200 mA and 5 V @ 100 mA
Extended AC mains input voltage range: 90 V_AC to 440 V_AC
Meets STCOMET smart meter and power line communication system specs
EMC with EN55022, EN61000, EN61000-4-4, EN61000-4-5, EN61000-4-6
RoHS compliant

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STEVAL-ISA176V1

ALTAIR05T-800 5 W wide range CV-CC optoless adapter evaluation board

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Key Features

Universal input mains range: 90 - 264 V AC, frequency 45-65 Hz
Output voltage: 5 V @ 1 A continuous operation
Optoless constant voltage - constant current output regulation
Standby mains consumption: < 100 mW @ 230 V AC
Average efficiency: >70%
EMI: in accordance with EN55022-Class-B
RoHS compliant

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STEVAL-ISA184V1

5V/1.2A 12V/750mA double output flyback converter using VIPER37LD

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Key Features

Universal input mains range: 85 – 265 V_AC ; frequency: 50 – 60 Hz
Output voltage 1: 5 V / 1.2 A
Output voltage 2: 12 V / 0.75 A
Very compact size
Standby mains consumption: < 40 mW at 230 V_AC
Average efficiency: > 75%
EMI: according to EN55022-Class-B
RoHS compliant

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STEVAL-ISA191V1

5 V - 12 V, 15 W double output isolated flyback converter based on VIPer37LE

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Key Features

Universal input mains range: 85 – 265 V_AC frequency: 50 – 60 Hz
Output voltage1: 5 V / 1.2 A
Output voltage2: 12 V / 0.75 A
Very compact size
Stand-by mains consumption: < 40 mW at 230 V_AC
Average efficiency: > 75%
EMI: according to EN55022-Class-B
RoHS compliant

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STEVAL-ILL074V2

60 W wide input range flyback converter using HVLED001A controller in FOT mode

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Key Features

Input voltage: V_in = 90 - 277 V_rms , f = 45-66 Hz
Output voltage: 52 V / 1.2 A
High power factor, low THD
Full load efficiency: above 90%
Short circuit protection
Safety: compliant with EN60065
PCB board: 165 mm x 50 mm double-sided PCB
RoHS compliant

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STEVAL-ISA182V1

8.4 W / 30 W peak power offline flyback converter using VIPER38HD

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Key Features

US input range: 85 – 132 V_AC , frequency: 50 – 60 Hz
Output voltage / current: 12 V / 0.7 A (2.5 A peak)
Very compact size
Standby mains consumption: lower than 25 mW at 115 V_AC
Min. active mode efficiency: 81.14%
Min. active mode at 10% load efficiency: 71.14%
EMI: according to EN55022-Class-B
RoHS compliant

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STEVAL-ISA196V1

5 V / 1.2 A non-isolated flyback converter using VIPerPlus?VIPer114LS

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Key Features

Universal AC main input voltage range: 85V_AC to 265V_AC
Output voltage: 5 V
Output current: 1.2 A
Rated output power: 6 W
No load input power @230 V_AC : < 10 mW
Active mode efficiency: > 78%
EMI: according to EN55022-Class-B
RoHS compliant

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STEVAL-ISA197V1

12 V, 7.8 W isolated flyback converter based on VIPer114LS

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Key Features

Universal input mains range: 90 – 265V_AC , frequency: 50 – 60 Hz
Output voltage: 12 V
Output current: 0.65 A
Very compact size
Stand-by mains consumption: < 20 mW at 230V_AC
Average efficiency: > 81%
EMI: according to EN55022-Class-B
RoHS compliant

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STEVAL-ISA177V1

5 V, 0.85 A flyback converter using VIPer™ Plus - VIPer01

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Key Features

Universal AC main input voltage range: 85V_AC to 265V_AC
Output range: 5 V / 0.85 A
Rated output power: 4.25 W
Input power in standby @ 230 V_AC : < 9 mW
Active mode efficiency: > 74%
EMI: according to EN55022-Class-B
RoHS compliant

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STEVAL-ISA180V1

12 V - 0.6 A flyback isolated converter using VIPer™ Plus - VIPer0P

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Key Features

Universal AC main input voltage range: 85 to 265 V_AC
Output range: 12 V - 0.6 A
Rated output power: 7.2 W
Input power in standby @ 230 V_AC : less than 18 mW
Active mode efficiency: > 80%
EMI: according to EN55022-Class-B
RoHS compliant

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STEVAL-ISA181V1

12 V / 600 mA high voltage flyback converter with remote standby control using the VIPer0P

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Key Features

Smart standby architecture using Zero Power Mode (ZPM) with IR remote on/off control suitable for Air Conditioning subsystems and other applications
Based on VIPer0P high voltage converter with embedded 800V avalanche rugged power MOSEFET and a current mode PWM controller with a set of protections for enhanced system reliability
Input power consumption in Zero Power Mode lower than 8 mW at 230V_AC (switched-off by remote IR control) while supplying microcontroller and IR receiver
Input power consumption at no load less than 30 mW at 230V_AC , including microcontroller consumption
Average efficiency > 80.2% compliant with EuCoC rev. 5 – Tier 2 and EPS of DOE USA
Meets IEC55022 Class B conducted EMI even with reduced EMI filter, thanks to the frequency jittering feature
Meets IEC61000-4-2(ESD), IEC61000-4-4 (EFT) and IEC61000-4-5 (Surge)
RoHS compliant

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STEVAL-ISA192V1

7 W dual output flyback converter with standby managed by capacitive touch using VIPer0P and STM32L

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Key Features

Smart standby architecture using the zero power mode (ZPM) for capacitive touch sensing in consumer electronics applications
Enhanced system reliability thanks to VIPer0P 800 V avalanche rugged technology and its embedded protection
Minimized system input power consumption: less than 30 mW at 230 V_AC in ZPM
IEC55022 Class B conducted EMI compliant, even with reduced EMI filter, thanks to the frequency jittering feature
IEC61000-4-2 (ESD), IEC61000-4-4 (EFT) and IEC61000-4-5 (Surge) compliant
RoHS compliant

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STEVAL-ISA183V1

16 W triple output quasi resonant flyback converter for air conditioning applications using VIPer35LD

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Key Features

AC main input voltage range : 175 V_AC to 275 V_AC
Triple output voltages: 12 V - 1 A (isolated), 15 V - 200 mA (non-isolated), 5 V - 200 mA (non-isolated), continuous operation
High performance at low load conditions: < 50 mW at no-load condition and < 1.5 W input power at minimum operative output power (0.91 W)
Efficiency at full load: > 81%
EMI: According to EN55022-Class-B, using low cost input filter
RoHS compliant

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STEVAL-USBPD45H

USB Power Delivery (Type-C PD) 45 W USB wall power adapter solution based on STCH02 and STUSB4700

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Key Features

USB wall power adapter input: 85 V_AC to 264 V_AC
USB voltage output: 5 V, 9 V and 15 V
Current limit: 3 A for all voltage level profiles
Load power limited to 45 W
Cable compensation
Isolated quasi-resonant flyback
Efficiency 90% (approx.)
USB Type-C Power Delivery compatible
USB-IF certified

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STEVAL-ISA193V2

15 W, 5 V - 3 A output CC primary sensing USB adapter based on STCH02

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Key Features

Universal AC Main Input voltage range : 90 V_AC to 264 V_AC
Output range: 5 V - 3 A continuous operation
Constant voltage (CV) and constant current (CC) operation with CC primary sensing
Input power in standby < 10 mW at 230 V_AC
Average efficiency: > 81.84%, complies with EuCoC rev. 5 – Tier 2 and EPS of DOE USA
EMI: According to EN55022-Class
Small form factor: (44 x 35 x 15 mm)
RoHS compliant
WEEE compliant

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00 Files selected for download

Technical Documentation

Application Notes

Description	Version	Size	Action
AN4685 12 V, 10 W isolated flyback converter based on VIPer25HD	1.0	1.73 MB	PDF
AN4479 12 V, 15 W peak 20 W isolated flyback converter based on VIPer38LE	1.0	1.08 MB	PDF
AN4260 12 V, 150 mA non-isolated buck converter using the VIPER06XS, from the VIPer™ plus family	4.2	3.5 MB	PDF
AN4940 12 V, 7.2 W VIPer0P IR remote controlled flyback topology for air conditioning applications using VIPer0P	1.0	9.29 MB	PDF
AN4924 12 V, 8.4 W peak power 30 W isolated flyback converter using VIPer38HD	1.0	2.94 MB	PDF
AN4812 15 W, 12 V output, isolated flyback converter using Viper35HD device from the VIPer™ Plus family of high voltage converters	1.0	1.5 MB	PDF
AN4830 15 W, 5 V - 12 V double output, isolated flyback converter based on Viper37LE/D	1.0	3.13 MB	PDF
AN4896 15 W, 5 V output USB adapter using STCH02	1.0	2.18 MB	PDF
AN5030 16 W, triple output, quasi-resonant flyback converter for air conditioning applications using VIPerPlus – VIPER35LD	1.0	2.06 MB	PDF
AN4410 3 W, 5 V isolated flyback converter using the VIPer06HN, from the VIPer™ plus family	2.0	1.41 MB	PDF
AN4418 3 W, 5 V isolated flyback converter using the VIPer06HS, from the VIPer™ plus family	2.0	1.38 MB	PDF
AN2811 3.5 W non-isolated offline constant-current LED driver based on VIPER17	1.2	1.13 MB	PDF
AN1439 30 W AC-DC adapter with the L6565 quasi-resonant PWM controller	7.0	301.08 KB	PDF
AN5316 35 W wide input range flyback converter using HVLED001B quasi resonant Flyback controller and STF10LN80K5	1.0	2.8 MB	PDF
AN4404 4 W, 12 V isolated flyback converter using the VIPer06HS, from the VIPer™ plus family	2.0	1.37 MB	PDF
AN2753 6 W single-output VIPer17 demonstration board	2.1	1.39 MB	PDF
AN4941 7 W dual output (-5 V/+7 V) non-isolated flyback converter with capacitive touch sensing using VIPer0P and STM32L052	1.0	3.43 MB	PDF
AN1768 ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES	1.1	46.82 KB	PDF
AN4407 Advantage of the use of an added driver source lead in discrete Power MOSFETs	2.0	5.42 MB	PDF
AN2025 CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION	1.1	147.59 KB	PDF
AN604 Calculation of conduction losses in a power rectifier	3.2	137.74 KB	PDF
AN4021 Calculation of reverse losses in a power diode	1.0	120.47 KB	PDF
AN4381 Current sharing in parallel diodes	1.0	449.12 KB	PDF
AN4209 Design methodology for repetitive voltage suppressors (RVS) in repetitive mode: STRVS	2.1	647.88 KB	PDF
AN3028 EVLVIP16L-4WFN: 16 V / 4.5 W, 60 kHz non-isolated flyback demonstration board using the VIPer16LN	1.0	1.13 MB	PDF
AN2840 EVLVIP17-5WCHG: 5 W low standby consumption battery charger demonstration board based on the VIPER17HN	1.1	651.9 KB	PDF
AN4106 EVLVIP26L-12WFN: 12 V/12 W, 60 kHz non-isolated flyback	1.0	3.4 MB	PDF
AN2950 EVLVIPER28L-10W: 5 V/10 W, 60 kHz isolated flyback with extra power management	1.0	1.76 MB	PDF
AN4932 HVLED001A - enhanced QR high power factor flyback controller for LED drivers	2.0	3.01 MB	PDF
AN1326 L6565 quasi-resonant controller	7.3	543.01 KB	PDF
AN1453 NEW FAMILY OF 150V POWER SCHOTTKY	1.1	131.48 KB	PDF
AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages	4.0	4.82 MB	PDF
AN5088 Rectifiers thermal management, handling and mounting recommendations	2.0	2.32 MB	PDF
AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting	3.6	217.19 KB	PDF
AN443 SERIES OPERATION ON FAST RECTIFIERS	2.1	202.48 KB	PDF
AN2934 STEVAL-ISA062V1: 6 W, wide-range dual and single output SMPS demonstration board based on the VIPer17	1.0	1.65 MB	PDF
AN4165 STEVAL-ISA111V1: 12 V / 12 W, 115 kHz non-isolated flyback	2.0	2.47 MB	PDF
AN4116 STEVAL-ISA112V1: 12 V/4 W, 115 kHz non-isolated flyback	1.0	3.69 MB	PDF
AN4164 STEVAL-ISA113V1: 12 V/4 W, 115 kHz non-isolated flyback	1.0	5.23 MB	PDF
AN4273 STEVAL-ISA114V1: 5 V / 0.8 W 30 kHz buck with the VIPer06XS	3.0	978.71 KB	PDF
AN4562 STEVAL-ISA116V1: 5 W, 2 output wide range buck converter based on the VIPER26LD	1.0	896.83 KB	PDF
AN4259 STEVAL-ISA117V1 12 V / 4.2 W, 60 kHz flyback isolated with VIPer16LN	3.0	1.71 MB	PDF
AN4345 STEVAL-ISA119V1: 1.5 W double output buck product evaluation board based on the VIPER16LD	1.0	2.84 MB	PDF
AN4372 STEVAL-ISA134V1: 12 V / 4 W, 115 kHz isolated flyback	2.0	1.33 MB	PDF
AN4836 STEVAL-ISA174V1: VIPer0P 7 W double output non-isolated flyback	2.0	4.05 MB	PDF
AN4878 STEVAL-ISA175V1 three-output isolated flyback converter for smart meter and power line communication systems based on VIPER26HD	1.0	2.15 MB	PDF
AN4855 STEVAL-ISA177V1 5 V/4.25 W non-isolated flyback demo with VIPer01	2.0	8.82 MB	PDF
AN4858 STEVAL-ISA178V1 5 V/1 W 30 kHz buck demo with VIPer01	1.0	1.84 MB	PDF
AN4857 STEVAL-ISA179V1 15 V/2.25 W 60 kHz buck demo with VIPer0P	1.0	1.61 MB	PDF
AN4905 STEVAL-ISA180V1 12 V/0.6 A isolated flyback demo with VIPer0P	1.0	2.55 MB	PDF
AN2945 STM8S and STM32™ MCUs: a consistent 8/32-bit product line for painless migration	1.4	209.97 KB	PDF
AN2872 Super wide-range buck converter based on the VIPer16	1.2	581.24 KB	PDF
AN1542 THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION	1.1	57.47 KB	PDF
AN869 Tj max limit of Schottky diodes	2.2	60.9 KB	PDF
AN4419 VIPER37HE: 15 W wide range single output evaluation board	1.0	1.42 MB	PDF
AN2929 Wide range [90 V - 265 V] input, 5 V - 12 W output VIPER27LN demonstration board with improved standby performance	2.0	1.44 MB	PDF
AN3011 Wide range input (90 - 265), single output (5 V-11 W) EVLVIP27H-12SB, VIPer27 demonstration board	1.1	1.76 MB	PDF

AN4685

12 V, 10 W isolated flyback converter based on VIPer25HD

PDF

AN4479

12 V, 15 W peak 20 W isolated flyback converter based on VIPer38LE

PDF

AN4260

12 V, 150 mA non-isolated buck converter using the VIPER06XS, from the VIPer™ plus family

PDF

AN4940

12 V, 7.2 W VIPer0P IR remote controlled flyback topology for air conditioning applications using VIPer0P

PDF

AN4924

12 V, 8.4 W peak power 30 W isolated flyback converter using VIPer38HD

PDF

AN4812

15 W, 12 V output, isolated flyback converter using Viper35HD device from the VIPer™ Plus family of high voltage converters

PDF

AN4830

15 W, 5 V - 12 V double output, isolated flyback converter based on Viper37LE/D

PDF

AN4896

15 W, 5 V output USB adapter using STCH02

PDF

AN5030

16 W, triple output, quasi-resonant flyback converter for air conditioning applications using VIPerPlus – VIPER35LD

PDF

AN4410

3 W, 5 V isolated flyback converter using the VIPer06HN, from the VIPer™ plus family

PDF

AN4418

3 W, 5 V isolated flyback converter using the VIPer06HS, from the VIPer™ plus family

PDF

AN2811

3.5 W non-isolated offline constant-current LED driver based on VIPER17

PDF

AN1439

30 W AC-DC adapter with the L6565 quasi-resonant PWM controller

PDF

AN5316

35 W wide input range flyback converter using HVLED001B quasi resonant Flyback controller and STF10LN80K5

PDF

AN4404

4 W, 12 V isolated flyback converter using the VIPer06HS, from the VIPer™ plus family

PDF

AN2753

6 W single-output VIPer17 demonstration board

PDF

AN4941

7 W dual output (-5 V/+7 V) non-isolated flyback converter with capacitive touch sensing using VIPer0P and STM32L052

PDF

AN1768

ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES

PDF

AN4407

Advantage of the use of an added driver source lead in discrete Power MOSFETs

PDF

AN2025

CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION

PDF

AN604

Calculation of conduction losses in a power rectifier

PDF

AN4021

Calculation of reverse losses in a power diode

PDF

AN4381

Current sharing in parallel diodes

PDF

AN4209

Design methodology for repetitive voltage suppressors (RVS) in repetitive mode: STRVS

PDF

AN3028

EVLVIP16L-4WFN: 16 V / 4.5 W, 60 kHz non-isolated flyback demonstration board using the VIPer16LN

PDF

AN2840

EVLVIP17-5WCHG: 5 W low standby consumption battery charger demonstration board based on the VIPER17HN

PDF

AN4106

EVLVIP26L-12WFN: 12 V/12 W, 60 kHz non-isolated flyback

PDF

AN2950

EVLVIPER28L-10W: 5 V/10 W, 60 kHz isolated flyback with extra power management

PDF

AN4932

HVLED001A - enhanced QR high power factor flyback controller for LED drivers

PDF

AN1326

L6565 quasi-resonant controller

PDF

AN1453

NEW FAMILY OF 150V POWER SCHOTTKY

PDF

AN5046

Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages

PDF

AN5088

Rectifiers thermal management, handling and mounting recommendations

PDF

AN533

SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting

PDF

AN443

SERIES OPERATION ON FAST RECTIFIERS

PDF

AN2934

STEVAL-ISA062V1: 6 W, wide-range dual and single output SMPS demonstration board based on the VIPer17

PDF

AN4165

STEVAL-ISA111V1: 12 V / 12 W, 115 kHz non-isolated flyback

PDF

AN4116

STEVAL-ISA112V1: 12 V/4 W, 115 kHz non-isolated flyback

PDF

AN4164

STEVAL-ISA113V1: 12 V/4 W, 115 kHz non-isolated flyback

PDF

AN4273

STEVAL-ISA114V1: 5 V / 0.8 W 30 kHz buck with the VIPer06XS

PDF

AN4562

STEVAL-ISA116V1: 5 W, 2 output wide range buck converter based on the VIPER26LD

PDF

AN4259

STEVAL-ISA117V1 12 V / 4.2 W, 60 kHz flyback isolated with VIPer16LN

PDF

AN4345

STEVAL-ISA119V1: 1.5 W double output buck product evaluation board based on the VIPER16LD

PDF

AN4372

STEVAL-ISA134V1: 12 V / 4 W, 115 kHz isolated flyback

PDF

AN4836

STEVAL-ISA174V1: VIPer0P 7 W double output non-isolated flyback

PDF

AN4878

STEVAL-ISA175V1 three-output isolated flyback converter for smart meter and power line communication systems based on VIPER26HD

PDF

AN4855

STEVAL-ISA177V1 5 V/4.25 W non-isolated flyback demo with VIPer01

PDF

AN4858

STEVAL-ISA178V1 5 V/1 W 30 kHz buck demo with VIPer01

PDF

AN4857

STEVAL-ISA179V1 15 V/2.25 W 60 kHz buck demo with VIPer0P

PDF

AN4905

STEVAL-ISA180V1 12 V/0.6 A isolated flyback demo with VIPer0P

PDF

AN2945

STM8S and STM32™ MCUs: a consistent 8/32-bit product line for painless migration

PDF

AN2872

Super wide-range buck converter based on the VIPer16

PDF

AN1542

THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION

PDF

AN869

Tj max limit of Schottky diodes

PDF

AN4419

VIPER37HE: 15 W wide range single output evaluation board

PDF

AN2929

Wide range [90 V - 265 V] input, 5 V - 12 W output VIPER27LN demonstration board with improved standby performance

PDF

AN3011

Wide range input (90 - 265), single output (5 V-11 W) EVLVIP27H-12SB, VIPer27 demonstration board

PDF

Design Notes & Tips

	Description	Version	Size	Action
	DN0039 35 W wide input range flyback converter using HVLED001A quasi resonant Flyback controller and STF10LN80K5	1.1	1 MB	PDF
	DN0009 VIPer06X buck regulator, 12V 140 mA	1.2	493.06 KB	PDF

DN0039

35 W wide input range flyback converter using HVLED001A quasi resonant Flyback controller and STF10LN80K5

PDF

DN0009

VIPer06X buck regulator, 12V 140 mA

PDF

Presentations & Training Material

Presentations

	Description	Version	Size	Action
	Primary side regulation controllers portfolio		1.1 MB	PDF

Primary side regulation controllers portfolio

PDF

Publications and Collaterals

Flyers

Description	Version	Size	Action
1200V SiC diodes, 2 to 40 A in surface-mount and through-hole packages	1.0	748.77 KB	PDF
800-1050V MDmesh™ K5 ST’s first super-junction VHV MOSFET Series	1.0	516.44 KB	PDF
800-1700 V MDmesh K5: Very high voltage super-junction Power MOSFET series	1.0	477.67 KB	PDF
Industrial-grade SiC diodes - 650V and low VF - to boost the performance of power converters	2.0	958.23 KB	PDF
SOD128Flat power Schottky diodes for improved cost and space-savings	1.0	2.18 MB	PDF
ST Diodes Finder : the new app for Android and iOS	2.0	1.46 MB	PDF

1200V SiC diodes, 2 to 40 A in surface-mount and through-hole packages

PDF

800-1050V MDmesh™ K5 ST’s first super-junction VHV MOSFET Series

PDF

800-1700 V MDmesh K5: Very high voltage super-junction Power MOSFET series

PDF

Industrial-grade SiC diodes - 650V and low VF - to boost the performance of power converters

PDF

SOD128Flat power Schottky diodes for improved cost and space-savings

PDF

ST Diodes Finder : the new app for Android and iOS

PDF

Selection Guides

	Description	Version	Size	Action
	Diodes and rectifiers selection guide	2.0	815.09 KB	PDF

Diodes and rectifiers selection guide

PDF

Brochures

	Description	Version	Size	Action
	VIPerPlus - Your SMPS design deserves a Plus	05.2018	1.08 MB	PDF
	VIPerPlus evaluation boards	05.2018	1,002.52 KB	PDF

VIPerPlus - Your SMPS design deserves a Plus

PDF

VIPerPlus evaluation boards

PDF

Development Tools

Software Development Tools

Part number	Manufacturer	Description
ST MOSFET Finder	ST	MOSFET product finder application for Android and iOS
ST Protection Finder	ST	Protection product finder application for Android and iOS
ST-VREG-FINDER	ST	Linear and switching voltage regulators and voltage reference applications for smartphones and tablets

Part Number

ST MOSFET Finder

MOSFET product finder application for Android and iOS

ST Protection Finder

Protection product finder application for Android and iOS

ST-VREG-FINDER

Linear and switching voltage regulators and voltage reference applications for smartphones and tablets

eDesignSuite

Converter

Converter

DC/DC AC/DC

Input

Volt. Min V This option is required. And must be less than or equal to Volt. Max [V]

Volt. Max V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

Voltage V This option is required and must be a number.

Current A This option is required and must be a number.

Diodes and Rectifiers

Part number	Description
FERD20U60DJFD	60 V, 20 A PowerFLAT Ultra-Low Vf Field-Effect Rectifier Diode (FERD)
FERD40H100S	100 V, 40 A Field-Effect Rectifier Diode (FERD)
STPS10150C	150 V, 10 A dual Power Schottky Rectifier
STPS1045DEE	45 V, 10 A PowerFLAT Power Schottky Rectifier
STPS10H100C	100 V, 10 A dual Power Schottky Rectifier
STTH108	800 V, 1 A Ultrafast Diode
STTH112	1200 V, 1A Ultrafast Diode
STTH15RQ06	600 V, 15 A Turbo 2 Soft Ultrafast Recovery Diode

Part number

FERD20U60DJFD

60 V, 20 A PowerFLAT Ultra-Low Vf Field-Effect Rectifier Diode (FERD)

FERD40H100S

100 V, 40 A Field-Effect Rectifier Diode (FERD)

STPS10150C

150 V, 10 A dual Power Schottky Rectifier

STPS1045DEE

45 V, 10 A PowerFLAT Power Schottky Rectifier

STPS10H100C

100 V, 10 A dual Power Schottky Rectifier

STTH108

800 V, 1 A Ultrafast Diode

STTH112

1200 V, 1A Ultrafast Diode

STTH15RQ06

600 V, 15 A Turbo 2 Soft Ultrafast Recovery Diode

Power Management

Part number	Description
HVLED001A	Offline controller for LED lighting with constant voltage primary-sensing and high power factor
L6565	Quasi-resonant Controller
L6566BH	Multi-mode controller for SMPS
STCH02	Offline PWM quasi resonant controller for ultra-low standby power supplies

Part number

HVLED001A

Offline controller for LED lighting with constant voltage primary-sensing and high power factor

L6565

Quasi-resonant Controller

L6566BH

Multi-mode controller for SMPS

STCH02

Offline PWM quasi resonant controller for ultra-low standby power supplies

Power Transistors

Part number	Description
SCTW90N65G2V	Silicon carbide Power MOSFET 650 V, 119 A, 18 mOhm (typ., TJ = 25 C) in an HiP247 package
STB5N80K5	N-channel 800 V, 1.50 Ohm typ., 4 A MDmesh K5 Power MOSFET in a D2PAK package
STF24N60M2	N-channel 600 V, 0.168 Ohm typ., 18 A MDmesh M2 Power MOSFET in TO-220FP package
STL110N10F7	N-channel 100 V, 5 mOhm typ., 107 A STripFET F7 Power MOSFET in a PowerFLAT 5x6 package
STL130N8F7	N-channel 80 V, 3.0 mOhm typ., 120 A STripFET F7 Power MOSFET in PowerFLAT 5x6 package