WINSEMI WS3418
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.| Part No. | WS3418 |
|---|---|
| Datasheet | WS3418 Download |
| Manufacturer |  WINSEMI |
| Description | Non-isolated Buck APFC Offline LED Driver |
| Buy | Stock & Price |
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
● Current Sensing Resistor Open Protection
● Auto Fault Recovery
● Available in SOP7 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
Operating in critical conduction mode, the power MOSFET switching loss is reduced and the inductor is
