FAN7930B - Critical Conduction Mode PFC Controller

Product Overview

Fairchild Semiconductor

Part number	FAN7930B
Manufacturer	Fairchild Semiconductor
File Size	0.96 MB
Description	Critical Conduction Mode PFC Controller
Datasheet	FAN7930B Datasheet
Additional preview pages of the FAN7930B datasheet.

The FAN7930B is an active power factor correction (PFC) controller for boost PFC applications that operate in critical conduction mode (CRM).

It uses a voltage-mode PWM that compares an internal ramp signal with the error amplifier output to generate a MOSFET turn-off signal.

Additional OVP Detection Pin Input Voltage Absent Detection Circuit Maximum Switching Frequency Limitation Internal Soft-Start and Overshoot-less Control 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.

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Published: May 8, 2011 |