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FAN7930 — Critical Conduction Mode PFC Controller
April 2010
FAN7930 Critical Conduction Mode PFC Controller
Features
PFC Ready Signal Input
Voltage Absent Detection Circuit Maximum Switching Frequency Limitation Internal Soft-Start and Startup without Overshoot Internal Total Harmonic Distortion (THD) Optimizer Precise Adjustable Output Over-
Voltage Protection Open-Feedback Protection and Disable Function Zero Current Detector 150μs Internal Startup Timer
MOSFET Over-Current Protection Under-
Voltage Lockout with 3.
5V Hysteresis Low Startup and Operating Current Totem-Pole Output with High State Clamp +500/-800mA Peak Gate Drive Current 8-...