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FAN7529 - Critical Conduction Mode PFC Controller

Datasheet Summary

Description

The FAN7529 is an active power factor correction (PFC) controller for boost PFC applications that operates in critical conduction mode (CRM).

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

Features

  • Low Total Harmonic Distortion (THD).
  • Precise Adjustable Output Over-Voltage Protection.
  • Open-Feedback Protection and Disable Function.
  • Zero Current Detector.
  • 150µs Internal Start-up Timer.
  • MOSFET Over-Current Protection.
  • Under-Voltage Lockout with 3.5V Hysteresis.
  • Low Start-up (40µA) and Operating Current (1.5mA).
  • Totem Pole Output with High State Clamp.
  • +500/-800mA Peak Gate Drive Current.
  • 8-Pin.

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Datasheet preview – FAN7529

Datasheet Details

Part number FAN7529
Manufacturer Fairchild Semiconductor
File Size 1.72 MB
Description Critical Conduction Mode PFC Controller
Datasheet download datasheet FAN7529 Datasheet
Additional preview pages of the FAN7529 datasheet.

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Full PDF Text Transcription

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FAN7529 Critical Conduction Mode PFC Controller FAN7529 Critical Conduction Mode PFC Controller April 2007 Features „ Low Total Harmonic Distortion (THD) „ Precise Adjustable Output Over-Voltage Protection „ Open-Feedback Protection and Disable Function „ Zero Current Detector „ 150µs Internal Start-up Timer „ MOSFET Over-Current Protection „ Under-Voltage Lockout with 3.5V Hysteresis „ Low Start-up (40µA) and Operating Current (1.
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