Quasi Resonant Green Mode PWM Power Switch  
Part No. Features Function BVDSS
(MIN.)
VCC(Max) UVLO (Typ.) CS O/P W MIN. FOSC Package
RDS(on)
(Max)
IST(Typ) VTH(ST) VOPR Typ.  (90V~265V) 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
* Cycle-by-cycle current limiting
* CCM/Valley Switching Operation
* Fixed switch frequency 65~85kHz
* Dynamic peak current limiting for constant output power
* Built-in synchronized slope compensation
* Gate output voltage clamped at 16V
* Adjustable DC output OVP
* OLP/VCC OVP/OTP/BNO/LNO ( automatic recovery)
* Internal Soft Start
* Halogen Free
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 1.0V  - Internal Fixed DIP-7A
6.0Ω 3.5uA 20KHz 65KHz
Black: Under  Development