WS3443 Overview
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 lighting. The WS3443 integrates a 500V power MOSFET.
WS3443 Key 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