WS3418 Description
The WS3418 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. Operating in critical conduction mode, the power MOSFET switching loss is reduced and the inductor.
WS3418 Key Features
- Specially Optimized for the EMI
- 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