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FAN7930C - PFC Controller

Datasheet Summary

Description

controller for boost PFC applications that operate in critical conduction mode (CRM).

mode PWM that compares an internal ramp signal with the error amplifier output to generate a MOSFET turn

off signal.

Features

  • PFC.
  • Ready Signal.
  • VIN.
  • Absent Detection.
  • 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 (ZCD).
  • 150 ms Internal Startup Timer.
  • MOSFET Over.

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Datasheet preview – FAN7930C

Datasheet Details

Part number FAN7930C
Manufacturer ON Semiconductor
File Size 618.74 KB
Description PFC Controller
Datasheet download datasheet FAN7930C Datasheet
Additional preview pages of the FAN7930C datasheet.

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Full PDF Text Transcription

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DATA SHEET www.onsemi.com Critical Conduction Mode PFC Controller FAN7930C SOIC8 CASE 751EB Description The FAN7930C 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. Because the voltage−mode CRM PFC controller does not need rectified AC line voltage information, it saves the power loss of an input voltage−sensing network necessary for a current−mode CRM PFC controller. FAN7930C provides over−voltage protection (OVP), open−feedback protection, over−current protection (OCP), input−voltage−absent detection, and under−voltage lockout protection (UVLO).
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