Overview
   SM7651 adopts "BOOST+PSR" two-stage architecture, integrates boost PFC and primary side feedback (PSR) controller, and is suitable for isolated LED lighting applications. The chip can achieve constant current accuracy within ±3%, THD less than 10%, PF>0.95, and completely eliminate the flicker defect of single-stage PFC.

FEATUREs
✦ 90Vac~264Vac full range voltage input
✦ Constant current accuracy ±3%
✦ PF＞0.95
✦ THD<10%
✦ No flicker
✦ Segmented boost function
✦ Harmonic compensation function
✦ Built-in self-recovery output open and short circuit protection function
✦ Package form: SOP16

APPLICATION field
✦ LED desk lamp
✦ LED panel light
✦ Other LED constant current drive applications