Non-isolated Buck APFC Offline LED Driver
WS3414H ProductDescription
Features
Internal 650V Power MOSFET Active PFC for High Power Factor and Low THD Critic...
Description
WS3414H ProductDescription
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 Auto Fault Recovery Available in DIP7 Package
Applications
E27 LED Bulb, Spot Light PAR30, PAR38 Lamp T8/T10 LED String Other LED Lighting
Typical Application
Non-isolated Buck APFC Offline LED Driver
Description
The WS3414H 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 is fully utilized.
The WS3414H inte...
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