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FAN7930 - Critical Conduction Mode PFC Controller

Datasheet Summary

Description

The FAN7930 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.

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 Hyst.

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Datasheet Details

Part number FAN7930
Manufacturer Fairchild Semiconductor
File Size 1.21 MB
Description Critical Conduction Mode PFC Controller
Datasheet download datasheet FAN7930 Datasheet
Additional preview pages of the FAN7930 datasheet.

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www.DataSheet4U.com FAN7930 — Critical Conduction Mode PFC Controller April 2010 FAN7930 Critical Conduction Mode PFC Controller Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ 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.
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