VIPER22-LED-EV: 350mA @ 32V Max, 90 ~ 264VAC in


The VIPer22A is low cost monolithic smart power devices with integrated PWM controller designed to operate in the wide range input voltage, from 90 to 264Vac.

The VIPer22A internal control circuit offers benefit such as: automatic burst mode in low load condition, overvoltage protection in hiccup mode, and large voltage range on the VDD pin.

This isolated VIPer22A constant current LED driver has been configured to drive 2 to 8 LEDs.


Manufacturer STMicroelectronics
Category Lighting
Sub-Category LED Drivers - AC / Offline
Eval Board Part Number VIPER22-LED-EV-ND
Eval Board Supplier STMicroelectronics
Eval Board Normally In Stock
AC Voltage 115 V
230 V
Outputs and Type 1 Isolated
Current Out 350 mA
Voltage Out (Max) 32 V
Efficiency @ Conditions - Not Given
Features Current Limit (Adj. or Fixed)
Light Load Mode
Over Voltage Protection
Switching Frequency 60 kHz
Component Count + Extras 35 + 5
Design Author STMicroelectronics
Application / Target Market LED Home Lighting
LED Signage
Traffic Lights
Voltage In 90 ~ 264 VAC
Power Factor - Not Given
Standard(s) EN55022 B conducted EMI
Main I.C. Base Part VIPer22A
Date Created By Author 2006-09
Date Added To Library 2011-03

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