Description

Power Factor Controller (PFC) CCM + PWM Controller, with Surge Capability Enhancement Features: Cycle-by-Cycle Current Limiting for PFC/PWM; Improved Efficiency at Light Load; PWM Configurable for Current Mode or Feedforward Voltage-Mode Operation; Internally Synchronized Leading-Edge PFC and Trailing-Edge PWM in One IC; Innovative Switching-Charge Multiplier Divider; fRTCT=4xfPFC=4xfPWM for FAN4800AS/01S; Interleaved PFC/PWM Switching; fRTCT=4xfPFC=2xfPWM for FAN4800CS/02S; Average-Current Mode for Input-Current Shaping; PFC Over-Voltage and Under-Voltage Protections; Low Operating Current; Brownout Protection; Power-on Sequence Control and Soft-Start; PFC Feedback Open-Loop Protection; Pin-to-Pin Compatible with ML4800 and FAN4800 and CM6800 and CM6800A