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FAN7930B - Critical Conduction Mode PFC Controller

Datasheet Summary

Description

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.

Features

  • 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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Datasheet Details

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

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Full PDF Text Transcription

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FAN7930B — Critical Conduction Mode PFC Controller October 2010 FAN7930B Critical Conduction Mode PFC Controller Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ 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 3.
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