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WS3412H

Part Number	WS3412H
Manufacturer	WINSEMI
Description	Non-isolated Buck APFC Offline LED Driver
Published	Dec 14, 2016
Detailed Description	WS3412H ProductDescription Features  Internal 650V Power MOSFET  Active PFC for High Power Factor and Low THD  Critic...
Datasheet	WS3412H PDF File

Overview

WS3412H 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 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 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.
Operating in critical conduction mode, the power MOSFET switching loss is reduced and the inductor is fully utilized.
The WS3412H inte...

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