WS3412H
Description
The WS3412H is a high precision non-isolated buck driver with active PFC, specially designed for universal input offline constant current LED lighting. The driver with on-chip PFC circuit achieves high power factor and low THD.
Key Features
- Internal 650V Power MOSFET
- Active PFC for High Power Factor and Low THD
- Critical Conduction Mode Operation
- System Efficiency up to 95%
- Without auxiliary winding
- Excellent Line and Load Regulation
- ±3% LED Output Current Accuracy
- Thermal Regulation Function
- LED Short/Open Protection
- Current Sensing Resistor Open Protection
