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多くのアプリケーションでは、2次回路のリファレンスが1次回路と同じリファレンス（AC電源）に接続されます。そうしたケースでは、オフライン非絶縁型補助電源を採用し、電源のデューティ･サイクルを変調することにより、インダクタや低コストのトランス（簡易絶縁型）をエネルギー伝達素子として使用して、安定化DC電圧を供給できます。

バック（ステップダウン）トポロジを採用すると、共通端子に対して正の出力を生成できます。負の出力電圧が必要な時は、バックブースト（ステップダウン/ステップアップ）トポロジを採用します。より高い出力電力が必要な時は、代わりに非絶縁型フライバック･コンバータを使用できます。

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。

製品型番	概要
STEVAL-ISA195V1	5 V / 0.36 A buck converter using VIPerPlus ? VIPer11	Quick view 主な特徴 Universal AC main input voltage range: 85 V_AC to 265 V_AC Output range: 5 V / 0.36 A Rated output power: 1.8 W Input power in standby at 230 V_AC : less than 18 mW Active mode efficiency: > 65% EMI: according to EN55022-Class-B RoHS compliant さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA178V1	5 V / 200 mA high voltage buck-converter based on VIPer01	Quick view 主な特徴 Five-star energy efficiency for operation under no load (P_{IN_no_load} < 20 mW @ 230 V_AC ) Meets ErP Lot 6 Tier 2 requirements for household and office equipment 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 VIPer01 800V avalanche rugged technology and embedded protections ensure enhanced system reliability RoHS compliant さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA177V1	5 V, 0.85 A flyback converter using VIPer™ Plus - VIPer01	Quick view 主な特徴 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 さらに表示製品の詳細データブリーフのダウンロード画像 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 主な特徴 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 さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-VP013B1B	5 V / 100 mA high voltage optimized buck-converter based on VIPer013BLS	Quick view 主な特徴 Buck topology Input power consumption: 20 mW at 230 V_AC in no load condition 400 mW at 230 V_AC in 250 mW load Input voltage: 60 to 300 V_AC Output voltage: 5 V Output current: 100 mA Switching frequency: 60 kHz with jittering Max ambient. temperature: 60 °C Automatic restart protections: OLP, short-circuit, VCC clamp, max duty cycle counter, thermal shutdown Pulse-skip protection to prevent flux-runaway Dimensions: 27 mm x 24 mm Meets IEC55022 Class B conducted EMI even with reduced EMI filter, thanks to the frequency jittering feature VIPer013B 800V avalanche rugged technology and embedded protections ensure enhanced system reliability RoHS compliant さらに表示製品の詳細データブリーフのダウンロード画像
STEVAL-ISA010V1	Ultra wide range dual output back converter demonstration board based on the VIPER16	Quick view 主な特徴 EMC: burst - IEC 61000-4-4 - 8 kV EMC: surge - IEC 61000-4-5 - 2 kV RoHS compliant Isolation: non isolated - N connected to output GND PCB type and size:FR4, single side 70 μmdim.: 27 x 45 mm Input voltage Vin: 85 - 500 VAC (f: 45 - 66 Hz) Output current: 150 mA total (5 V and 12 V output) output current for full input voltage range Output voltages:V1= 12 V ± 10%V2= 5 V ± 4% Short-circuit protection EMI: In accordance with EN55022 - class B Standby: 96 mW at 230 VAC さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA096V1	Auxiliary power supply in buck-boost topology based on the Viper06	Quick view 主な特徴 Input voltage: V_in : 85 ~ 264 Vrms; f: 45 ~ 66 Hz Output voltage: -12 Vdc ± 10%, 150 mA Standby < 30 mW at 264 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 B RoHS compliant さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA071V2	4 W non-insulated, wide input voltage range SMPS based on the VIPer16	Quick view 主な特徴 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 さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA111V1	Wide range single output demonstration board based on the VIPER26HN	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 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 さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM
STEVAL-ISA118V1	Offline power converter demonstration board using the Viper16	Quick view 主な特徴 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 さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
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データブリーフのダウンロード画像 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 主な特徴 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 さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA113V1	Wide range single-output demonstration board based on the VIPER06HS	Quick view 主な特徴 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 さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA115V1	12 V, 150 mA non-isolated buck converter using VIPer™ Plus - VIPER06XS	Quick view 主な特徴 Universal input mains range: input voltage: 90 VAC - 264 VAC frequency: 45 Hz - 65 Hz Single-output voltage: 12 V @ 0.15 A continuous operation Standby mains consumption: < 50 mW @ 265 VAC Average efficiency: > 75% Fully protected against faults (overload, feedback disconnection and overheating) EMI: in accordance with EN55022-Class-B RoHS compliant さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA116V1	5 W, 2-output wide-range buck converter based on the VIPER26LD	Quick view 主な特徴 Universal input mains range: input voltage: 80 - 280 V_AC frequency: 45 - 65 Hz Double-output voltage: 16 V @ 0.3 A continuous operation 5 V through LDO Standby mains consumption: < 100 mW @ 265 V_AC Fully protected against faults (overload, feedback disconnection and overheating) EMI: according to EN55022-Class-B RoHS compliant さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA130V1	12 V 140 mA 30 kHz non-isolated buck topology regulator based on VIPer06XN	Quick view 主な特徴 800 V avalanche-rugged power section PWM operation current mode controller Limiting current with adjustable set point Fixed frequency with jitter for EMI improvement Operating frequency: 30 kHz Input voltage range: 85 V to 265 V AC or 100 V to 375 V DC Low power application without auxiliary winding No load consumption below 30 mW @ 265 V_ac On-board soft-start Auto-restart after a fault condition Feedback disconnection protection Hysteretic thermal shutdown RoHS compliant さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA119V1	1.5 W double output buck demonstration board based on the VIPER16LD	Quick view 主な特徴 Input voltage range (V_IN ): 90 V_RMS to 265 V_RMS Output voltage 1 (V_OUT1 )= 12 V Max output current 1: (I_OUT1 ) = 0.1 A Output voltage 2: (V_OUT2 ) = 5 V (through LDO) Max output current 2: (I_OUT2 )= 0.05 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 °C さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA129V1	16 V-280 mA non isolated off-line high voltage converter based on the VIPer16H	Quick view 主な特徴 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 さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA114V1	5 V/0.8 W wide-range 30 kHz buck converter based on the VIPer06XS	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 @ 0.16 A continuous operation Fully protected against faults (overload, feedback disconnection and overheating) EMI: according to EN55022-Class-B RoHS compliant さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA174V1	7 W dual output offline flyback converter for home appliances using VIPer0P	Quick view 主な特徴 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 さらに表示製品の詳細データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA179V1	15 V, 0.15 A buck converter using VIPer™ Plus - VIPer0P	Quick view 主な特徴 Universal AC main input voltage range: 85 V_AC to 265 V_AC Output range: 15 V / 0.15 A Rated output power: 2.25 W Input power in standby @230 V_AC : less than 40 mW Active mode efficiency: greater than 77% EMI: EN55022-Class-B compliant RoHS compliant さらに表示製品の詳細データブリーフのダウンロード画像 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データブリーフのダウンロード画像 FEATURED RESOURCES Schematics BOM Gerber

製品型番

STEVAL-ISA195V1

5 V / 0.36 A buck converter using VIPerPlus ? VIPer11

概要	バージョン	サイズ	アクション
AN4260 12 V, 150 mA non-isolated buck converter using the VIPER06XS, from the VIPer™ plus family	4.2	3.5 MB	PDF
AN2811 3.5 W non-isolated offline constant-current LED driver based on VIPER17	1.2	1.13 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
AN3028 EVLVIP16L-4WFN: 16 V / 4.5 W, 60 kHz non-isolated flyback demonstration board using the VIPer16LN	1.0	1.13 MB	PDF
AN4106 EVLVIP26L-12WFN: 12 V/12 W, 60 kHz non-isolated flyback	1.0	3.4 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
AN4345 STEVAL-ISA119V1: 1.5 W double output buck product evaluation board based on the VIPER16LD	1.0	2.84 MB	PDF
AN4836 STEVAL-ISA174V1: VIPer0P 7 W double output non-isolated flyback	2.0	4.05 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

写真	製品型番	製造元	概要
	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

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