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STEVAL-ISA035V1 Datasheet(PDF) 1 Page - STMicroelectronics |
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STEVAL-ISA035V1 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 4 page Data brief For further information contact your local STMicroelectronics sales office. January 2010 Doc ID 15041 Rev 2 1/4 4 STEVAL-ISA035V1 Non-isolated offline power supply demonstration board based on the VIPER22A-E Features ■ Input voltage range: 85 Vac to 264 Vac ■ Input voltage frequency: 50/60 Hz ■ Lowest possible component count ■ Integrated thermal overload protection ■ No-load consumption: around 200 mW ■ 70% to 80% efficiency at full load ■ Integrated short-circuit protection Description Many appliances today use non-isolated power supplies to furnish the low output power required to run a microcontroller, LED displays, and relays or AC switches. This type of power supply has a single rectifier to reference the neutral to output ground in order to fire Triacs or AC switches. This demonstration board can use the VIPER12A-E or the VIPER22A-E, which are pin- for-pin compatible and can supply power for a wide variety of applications. The VIPER12A-E is used for 12 V at 200 mA and 16 V at 200 mA, while the VIPER22A-E is used for 12 V at 350 mA and 16 V at 350 mA. The same board can be used for any output voltage from 10 V to 35 V. For more design details, please refer to application note AN1357. STEVAL-ISA035V1 www.st.com |
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