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FAN6208 - Secondary-Side Synchronous Rectifier Controller

General Description

FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes.

Key Features

  • Specialized SR Controller for LLC or LC Resonant Converters.
  • Secondary-Side Timing Detection with Timing Estimator.
  • Gate-Shrink Function to Prevent Shoot-Through During Load and Line Transient.
  • Green-Mode Function for Higher Efficiency at Light- Load Condition.
  • Programmable Dead Time between Primary-Side Gate Drive Signal and SR Drive Signal.
  • Advanced Output-Short / Overload Protection Based on the Feedback Information.
  • Internal Over-Temperature Protection (OT.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FAN6208 —Secondary-Side Synchronous Rectifier Controller for LLC Topology October 2014 FAN6208 Secondary-Side Synchronous Rectifier Controller for LLC Topology Features  Specialized SR Controller for LLC or LC Resonant Converters  Secondary-Side Timing Detection with Timing Estimator  Gate-Shrink Function to Prevent Shoot-Through During Load and Line Transient  Green-Mode Function for Higher Efficiency at Light- Load Condition  Programmable Dead Time between Primary-Side Gate Drive Signal and SR Drive Signal  Advanced Output-Short / Overload Protection Based on the Feedback Information  Internal Over-Temperature Protection (OTP)  VDD Pin Over-Voltage Protection (OVP) Description FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters th