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FAN4801S - PFC/PWM Controller Combination

This page provides the datasheet information for the FAN4801S, a member of the FAN4800AS PFC/PWM Controller Combination family.

Description

The highly integrated FAN4800AS/CS/01S/02S parts are specially designed for power supplies that consist of boost PFC and PWM.

They require very few external components to achieve versatile protections / compensation.

They are available in 16-pin DIP and SOP packages.

Features

  • Pin-to-Pin Compatible with ML4800 and FAN4800 and CM6800 and CM6800A.
  • PWM Configurable for Current Mode or Feedforward Voltage-Mode Operation.
  • Internally Synchronized Leading-Edge PFC and Trailing-Edge PWM in One IC.
  • Low Operating Current.
  • Innovative Switching-Charge Multiplier Divider.
  • Average-Current Mode for Input-Current Shaping.
  • PFC Over-Voltage and Under-Voltage Protections.
  • PFC Feedback Open-Loop Protection.
  • Cycle-by-Cycle Current Limiting for.

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Datasheet preview – FAN4801S

Datasheet Details

Part number FAN4801S
Manufacturer Fairchild Semiconductor
File Size 594.20 KB
Description PFC/PWM Controller Combination
Datasheet download datasheet FAN4801S Datasheet
Additional preview pages of the FAN4801S datasheet.

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Full PDF Text Transcription

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FAN4800AS/CS/01S/02S — PFC/PWM Controller Combination January 2014 FAN4800AS/CS/01S/2S PFC/PWM Controller Combination Features  Pin-to-Pin Compatible with ML4800 and FAN4800 and CM6800 and CM6800A  PWM Configurable for Current Mode or Feedforward Voltage-Mode Operation  Internally Synchronized Leading-Edge PFC and Trailing-Edge PWM in One IC  Low Operating Current  Innovative Switching-Charge Multiplier Divider  Average-Current Mode for Input-Current Shaping  PFC Over-Voltage and Under-Voltage Protections  PFC Feedback Open-Loop Protection  Cycle-by-Cycle Current Limiting for PFC/PWM  Power-on Sequence Control and Soft-Start  Brownout Protection  Interleaved PFC/PWM Switching  Improved Efficiency at Light Load  fRTCT=4•fPFC=4•fPWM for FAN4800AS/01S  fRTCT=4•fPFC=2•fPWM fo
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