Quasi Resonant Green Mode PWM Power Switch 
Part No. Features Function BVDSS
(MIN.)
VCC(Max) UVLO (Typ.) CS O/P W
(90~264V
_charger)
FOSC Package
RDS(on) IST(Typ) Vcc(ON) Vcc(OFF) Typ.  Green Typ.
US2652SQ LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS

* Proprietary frequency hopping for Improved
   EMI performance
* Low standby power with only 30~70mW
* Dynamic peak current limiting for constant
   output power
* Built-in synchronized slope compensation
* Adjustable DC output OVP
* OLP/VCC OVP/OTP/BNO/LNO
   (automatic recovery)
Flyback Converters,
Hopping Technology,Build-in MOSFET
And build in OVP, OTP, OCP, OLP, UVLO, SCP, LEB, Soft Start Etc.
650V 28V 18.0V 7.0V 0.85V - Internal Fixed DIP-7A
3.5uA 20KHz 65KHz