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WS3412AH

WINSEMI
Part Number WS3412AH
Manufacturer WINSEMI
Description Non-isolated Buck APFC Offline LED Driver
Published Dec 14, 2016
Detailed Description WS3412AH ProductDescription Features  Specially Optimized for the EMI  Internal 600V Power MOSFET  Active PFC for Hig...
Datasheet PDF File WS3412AH PDF File

WS3412AH
WS3412AH

Overview
WS3412AH ProductDescription Features  Specially Optimized for the EMI  Internal 600V 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 The WS3412AH 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 induct...


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