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SIFIRST TECHNOLOGIES NANHAI LIMITED
   http://www.sifirsttech.com/en/
   Part number  Description
   SF1565  Highly  Integrated  Current  Mode  PWM  Controller
   AH277A  On-Chip  Hall  Sensor
   SF1530  High  Performance  Current  Mode  PWM  Controller
   SF1531S  管-BalanceTM Current  Mode  PWM  Controller
   SF1533  管-BalanceTM PWM  Power  Switch  Fixed  50KHz  Fsw
   SF1538  High  Performance  PWM  Power  Switch  Programmable  Fsw
   SF1539  管-BalanceTM PWM  Power  Switch  Fixed  50KHz  Fsw
   SF1539HT  管-BalanceTM PWM  Power  Switch  Fixed  65KHz  Fsw  and  OTP  Protection
   SF1539W  管-BalanceTM PWM  Power  Switch  Fixed  50KHz  Fsw
   SF1546  管-BalanceTM PWM  Power  Switch  Fixed  65KHz  Fsw
   SF1548  管-BalanceTM PWM  Power  Switch  Fixed  65KHz  Fsw
   SF1549  管-BalanceTM PWM  Power  Switch  Fixed  65KHz  Fsw
   SF1560  Highly  Integrated  Current  Mode  PWM  Controller  with  Latch
   SF1585  Cost  Effective,  High  Power,  管-BalanceTM PWM  Controller
   SF5533  Less  than  75mW  Standby  Power
   SF5533H  Less  than  75mW  Standby  Power
   SF5539  管-BalanceTM PWM  Power  Switch  Fixed  50KHz  Fsw
   SF5539H  Less  than  75mW  Standby  Power
   SF5545  管-BalanceTM Current  Mode  PWM  Controller
   SF5565M  管-BalanceTM Current  Mode  PWM  Controller  with  Brownout  Protection
   SF5580  HV-mWTM?곊?BalanceTM PWM  Controller  Fixed  65KHz  Fsw
   SF5590  HV-mWTM?곊?BalanceTM PWM  Controller  Programmable  Fsw
   SF5773  2nd  Generation  Quasi-Resonant  (QR-IITM  ) PWM  Controller
   SF5773S  Easily  Meet  EPS  Level  6
   SF5778  Built-in  650V  Power  MOSFET
   SF5873  HV-mWTM??nd Generation  Quasi-Resonant  (QR-IITM  ) PWM  Controller
   SF5877  HV-mWTM??nd Generation  Quasi-Resonant  (QR-IITM  ) PWM  Controller
   SF5879  HV-mWTM??nd Generation  Quasi-Resonant  (QR-IITM  ) PWM  Power  Switch
   SF5887  2nd  Generation  Quasi-Resonant  (QR-IITM  ) PWM  Controller  OTP  Protection
   SF5897  HV-mWTM??nd Generation  Quasi-Resonant  (QR-IITM  ) PWM  Controller  With  PFC  ON/OFF  Control
   SF5920S  NC-Cap/PSRTM  (Primary  Side  Regulation)  CV/CC  Controller
   SF5922S  NC-Cap/PSRTM  (Primary  Side  Regulation)  CV/CC  Power  Switch
   SF5926S  NC-Cap/PSRTM  (Primary  Side  Regulation)  CV/CC  Power  Switch
   SF5928S  NC-Cap/PSRTM  (Primary  Side  Regulation)  CV/CC  Power  Switch
   SF5930S  Proprietary  NC-Cap/PSR-IITM  Control
   SF5938S  Built-in  600V  Power  MOSFET
   SF6010N  NC-Cap/PSRTM  (Primary  Side  Regulation)  CV/CC  Controller
   SF6010R  Built-in  AC Line  CC Compensation
   SF6020P  NC-Cap/PSR-IITM  (Primary  Side  Regulation)  CV/CC  Controller
   SF6021  Built-in  700V  Power  BJT
   SF6022  Built-in  700V  Power  BJT
   SF6072  NC-Cap/PSRTM  (Primary  Side  Regulation)  CV/CC  Power  Switch
   SF6562  High  Performance  Transition  Mode  PFC  Controller
   SF6761S  super-QR/PSRTM  CV/CC  Controller
   SF6771S  Less  than  75mW  Standby  Power
   SF6772S  Built-in  650V  Power  MOSFET
   SF6773V  Built-in  650V  Power  MOSFET
   SF6778S  Built-in  600V  Power  MOSFET
   SF7201  Super-  SRTM  Synchronous  Rectifier  Power  Switch
   SF7301  Proprietary  Super-  SRTM  Technology
   SFL100  Constant  Voltage  and  Constant  Current  Controller
   SFL320  High  Power  Factor  Flyback  PWM  Controller
   SFL330  High  Performance,  High  Power  Factor  Flyback  PWM  Controller
   SFL530  700  V single  chip,  NC-AUX  / QR-BUCKTM  LED  constant  current  power  switch
   SFL580  PWM  NC-Aux/QR-BuckTM  LED
   SFL600  NC-Aux/PSRTM  LED
   SFL636  Built-in  650V  Power  MOSFET
   SFL670  SUPERQR  / PSRTM  LED  drive  controller
   SFL678  AC/DC  PSR  Controller  for  Dimmable  LED  Lighting
   SFL710  super-PFC/BuckTM  LED  driver
   SFL830  Boost-PFC  / PSR  CombustIon  Control  Unit
   SFL850  Boost-PFC  / Buck  CombustIon  CombustIon-CombustIon  CombustIon  Control
   SFL900B  super-PFC/PSRTM  Controller  for  LED  Lighting
   SFL900C  super-PFC/PSRTM  Controller  for  LED  Lighting
   SFL950  PaternalIzatIon  of patent  " Super-PFC  / PSRTM  " control,  realize  PF 0.92
   SFL952  Built-in  650  V power  switch
   SFL958  Built-in  650  V power  switch
   SFL960  600  MA peak  drive  capability,  maximum  power  up to 100  W
   SFL980  PaternalIzatIon  of Patent  Super-Free-PFC  / PSRTM  Control,  realize  PF 0.92


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