FAN4801S

FAN4800AS/CS/01S/02S — PFC/PWM Controller Combination January 2014 FAN4800AS/CS/01S/2S PFC/PWM Controller Combination Features  Pin-to-Pin Compatible with ML4800 and FAN4800 and CM6800 and CM6800A  PWM Configurable for Current Mode or Feedforward Voltage-Mode Operation  Internally Synchronized Leading-Edge PFC and Trailing-Edge PWM in One IC  Low Operating Current  Innovative Switching-Charge Multiplier Divider  Average-Current Mode for Input-Current Shaping  PFC Over-Voltage and Under-Voltage Protections  PFC Feedback Open-Loop Protection  Cycle-by-Cycle Current Limiting for PFC/PWM  Power-on Sequence Control and Soft-Start  Brownout Protection  Interleaved PFC/PWM Switching  Improved Efficiency at Light Load  fRTCT=4fPFC=4fPWM for FAN4800AS/01S  fRTCT=4fPFC=2fPWM for FAN4800CS/02S Applications  Desktop PC Power Supply  Internet Server Power Supply  LCD TV, Monitor Power Supply  UPS  Battery Charger  DC Motor Power Supply  Monitor Power Supply  Telecom System Power Supply  Distributed Power Related Resources  AN-8027 - FAN480X PFC+PWM Combination Controller Application © 2010 Fairchild Semiconductor Corporation FAN4800AS/CS/01S/02S Rev. 1.0.2 Description The highly integrated FAN4800AS/CS/01S/02S parts are specially designed for power supplies that consist of boost PFC and PWM. They require very few external components to achieve versatile protections / compensation. They are available in 16-pin DIP and SOP packages. The PWM can be used in ...