� ±5% LED Current Accuracy � Primary-side Sensing and Regulation Without TL431 and Opto-coupler � No Auxiliary Winding For Sensing And Supplying � High Power Factor Corre.

� GU10 LED driver � LED spot light � Other LED lighting Typical Application Circuit General Description WS3231 is a hig.

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 .

WS3230

WS3232

WS320240C

WS3202E

WS3202K

WS3205D

WS3208D

WS3210

WS3210C62

WS3210C68

WS3215

WS3220A

WS3221