SY22697NFAC (SY58284NFAC)

Buck Regulator For LED Lighting

SY22697NFAC Buck Regulator For LED Lighting Datasheet

Parameters
Features
Description

Part number	SY22697NFAC
Description	PSR, QR, CC, Buck-Boost/Flyback controller
Package	SO8
Iout (max) (A)	0.2
Input type	230Vac
Pout (max) (W)	30
PF (>)	0.5
Application	AC Buck non-dim

Integrated 500V MOSFET
Quasi-Resonant (QR) Mode to Achieve Low Switching Losses
Fast Start up (<300ms)
No Opto-coupler or Auxiliary Winding for Feedback in the Proprietary Floating Switch Configuration.
Reliable Short LED and Open LED Protection
Thermal Foldback Function
Maximum Output Power : 30W
RoHS Compliant and Halogen Free
Compact Package: SO8

The SY22697N is a Buck regulator targeting at LED lighting applications.

It integrates a 500V MOSFET to decrease physical volume. It adopts the proprietary control architecture to achieve an accurate regulation of LED current and Quasi-Resonant valley turn-on for high efficiency operation. Proprietary self-bias technique saves the bias supply and reduces the start up time.

It integrates open/short LED protection and eliminates the need for opto-coupler or auxiliary winding (in floating switch application), thus minimizing the component count and board size.