Datasheet Summary
WS3443 ProductDescription
Features
- Critical Conduction Mode Operation
- Internal 500V Power MOSFET
- No Auxiliary Winding
- Ultra Low Operating Current
- ±3% LED Output Current Accuracy
- Efficiency up to 93%
- LED Open Protection
- LED Short Protection
- Current Sensing Resistor Short Protection
- Thermal Regulation Function
- Available in DIP-7 Package
Applications
- LED Candle Light
- LED Bulb, Spot Light
- T8/T10 LED String
- Other LED Lighting
Typical Application
Non-isolated Buck Offline LED Driver
Description
The WS3443 is a high precision buck constant current LED driver. The device operates in critical conduction mode and is suitable for 85Vac~265Vac universal input offline LED...