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WS3231

Part Number	WS3231
Manufacturer	WINSEMI
Description	High PF PSR Constant Current LED Driver
Published	May 2, 2016
Detailed Description	WS3231 WS3231 High PF PSR Constant Current LED Driver Features � ±5% LED Current Accuracy � Primary-side Sensing and Re...
Datasheet	WS3231 PDF File

Overview

WS3231 WS3231 High PF PSR Constant Current LED Driver Features � ±5% LED Current Accuracy � Primary-side Sensing and Regulation Without TL431 and Opto-coupler � No Auxiliary Winding For Sensing And Supplying � High Power Factor Correction � QR mode � 600V MOS integrated � Ultra low operating current � LED Open/Short Circuit Protection � CS Resistor Short Circuit Protection � VCC over voltage protection & under voltage lockout( UVLO) � Over Temperature Protection Applications � GU10 LED driver � LED spot light � Other LED lighting Typical Application Circuit General Description WS3231 is a high PF primary-side feedback and regulation controller for LED lighting, optimized for flyback converter with the output power less than 30W.
Since adopting primary sense and feedback control technology, the secondary sense and feedback circuit is eliminated.
And WS3231 does not need the auxiliary winding for sensing the output current and supplying the chip.
The low component counts and small syst...

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