絶縁型補助電源（最大20W）

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最大20Wまでの電力範囲では、1トランジスタ･フライバック、フォワード、または擬似共振トポロジを採用して、比較的高いスイッチング周波数で動作してトランスと出力コンデンサのサイズを最小化する高電力密度かつコスト効率に優れた絶縁型補助電源を設計できます。

STは、パワーMOSFET、PWMコントローラ、保護回路をワンパッケージに集積し、超低スタンバイ電力、800V/900Vの高ブレークダウン電圧、各種の保護機能を備えた幅広い集積化高電圧コンバータの提供により、電源の効率最大化と信頼性向上をサポートしています。

さらに、製品開発期間の短縮を可能にする多種多様なハードウェアとソフトウェアの評価および開発ツールやリファレンス設計を提供しています。

isolated auxiliary power supply up to 20w block diagram

製品型番	Description
STEVAL-ISA110V1	12 V/12 W wide range non-isolated flyback based on the VIPER26LN	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 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 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA184V1	5V/1.2A 12V/750mA double output flyback converter using VIPER37LD	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA140V1	15W, 12V output, isolated flyback converter using VIPer™ Plus - VIPER37HE	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA162V1	12 V/10 W isolated flyback converter based on VIPer25HD	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA196V1	5 V / 1.2 A non-isolated flyback converter using VIPerPlus?VIPer114LS	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 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 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA135V1	4 W, 12 V output, isolated flyback converter using VIPer™ Plus - VIPER06HS	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA171V1	12 V - 15 W quasi resonant flyback converter based on the VIPER35HD	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA197V1	12 V, 7.8 W isolated flyback converter based on VIPer114LS	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA182V1	8.4 W / 30 W peak power offline flyback converter using VIPER38HD	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA081V1	12 V /1 A SMPS wide range demonstration board based on the VIPER26	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 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 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 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 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA183V1	16 W triple output quasi resonant flyback converter for air conditioning applications using VIPer35LD	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM
STEVAL-ISA180V1	12 V - 0.6 A flyback isolated converter using VIPer™ Plus - VIPer0P	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA117V1	Wide range isolated flyback demonstration board, single output 12 V/4.2 W based on the VIPer16LN	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA062V1	6 W dual output SMPS demonstration board based on the VIPER17	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA134V1	12 V - 4 W, 115 kHz isolated flyback based on the VIPer06	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA121V1	Wide range single-output demonstration board based on the VIPER37LE	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA191V1	5 V - 12 V, 15 W double output isolated flyback converter based on VIPer37LE	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA136V1	3W, 5V output, isolated flyback converter using VIPer™ Plus - VIPER06HN	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA153V1	12 V, 15 W (20 W peak) isolated flyback converter based on the VIPER38LE	Quick view 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 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 主な特徴 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 さらに表示製品の詳細 Download databrief 画像 FEATURED RESOURCES Schematics BOM Gerber

製品型番

STEVAL-ISA110V1

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

Quick view

主な特徴

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

さらに表示

製品の詳細 Download databrief

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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

主な特徴

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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FEATURED RESOURCES

Schematics BOM Gerber

STEVAL-ISA184V1

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

Quick view

主な特徴

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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FEATURED RESOURCES

Schematics BOM Gerber

STEVAL-ISA140V1

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

Quick view

主な特徴

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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Schematics BOM Gerber

STEVAL-ISA162V1

12 V/10 W isolated flyback converter based on VIPer25HD

Quick view

主な特徴

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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FEATURED RESOURCES

Schematics BOM Gerber

STEVAL-ISA196V1

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

Quick view

主な特徴

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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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

主な特徴

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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Schematics BOM Gerber

STEVAL-ISA135V1

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

Quick view

主な特徴

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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Schematics BOM Gerber

STEVAL-ISA171V1

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

Quick view

主な特徴

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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Schematics BOM Gerber

STEVAL-ISA197V1

12 V, 7.8 W isolated flyback converter based on VIPer114LS

Quick view

主な特徴

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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Schematics BOM Gerber

STEVAL-ISA182V1

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

Quick view

主な特徴

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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Schematics BOM Gerber

STEVAL-ISA081V1

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

Quick view

主な特徴

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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Schematics BOM Gerber

STEVAL-ISA125V1

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

Quick view

主な特徴

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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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

主な特徴

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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Schematics BOM Gerber

STEVAL-ISA183V1

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

Quick view

主な特徴

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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Schematics BOM

STEVAL-ISA180V1

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

Quick view

主な特徴

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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FEATURED RESOURCES

Schematics BOM Gerber

STEVAL-ISA117V1

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

Quick view

主な特徴

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-ISA062V1

6 W dual output SMPS demonstration board based on the VIPER17

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主な特徴

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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STEVAL-ISA134V1

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

Quick view

主な特徴

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-ISA121V1

Wide range single-output demonstration board based on the VIPER37LE

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主な特徴

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-ISA191V1

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

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主な特徴

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-ISA136V1

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

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主な特徴

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-ISA153V1

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

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主な特徴

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-ISA126V1

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

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主な特徴

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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技術文書

アプリケーションノート

Description	バージョン	サイズ	アクション
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
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
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
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
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
AN4209 Design methodology for repetitive voltage suppressors (RVS) in repetitive mode: STRVS	2.1	647.88 KB	PDF
AN2840 EVLVIP17-5WCHG: 5 W low standby consumption battery charger demonstration board based on the VIPER17HN	1.1	651.9 KB	PDF
AN2950 EVLVIPER28L-10W: 5 V/10 W, 60 kHz isolated flyback with extra power management	1.0	1.76 MB	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
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
AN4259 STEVAL-ISA117V1 12 V / 4.2 W, 60 kHz flyback isolated with VIPer16LN	3.0	1.71 MB	PDF
AN4372 STEVAL-ISA134V1: 12 V / 4 W, 115 kHz isolated flyback	2.0	1.33 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
AN4905 STEVAL-ISA180V1 12 V/0.6 A isolated flyback demo with VIPer0P	1.0	2.55 MB	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

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

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

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

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

AN4209

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

PDF

AN2840

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

PDF

AN2950

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

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

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

AN4259

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

PDF

AN4372

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

PDF

AN4878

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

PDF

AN4905

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

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

Publications and Collaterals

パンフレット

	Description	バージョン	サイズ	アクション
	パワー･マネージメントガイド 2017	09.2018	2.64 MB	PDF
	VIPerPlus - Your SMPS design deserves a Plus	05.2018	1,002 KB	PDF

パワー･マネージメントガイド 2017

PDF

VIPerPlus - Your SMPS design deserves a Plus

PDF

開発ツール･ハードウェア

Software Development Tools

写真	Part number	製造元	Description
	ST-DIODE-FINDER	ST	Diode product finder application for Android and iOS
	ST-VREG-FINDER	ST	Linear and switching voltage regulators and voltage reference applications for smartphones and tablets