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FAN7688 - Advanced Secondary Side LLC Resonant Converter Controller

Key Features

  • Secondary Side PFM Controller for LLC Resonant Converter with Synchronous Rectifier Control.
  • Charge Current Control for Better Transient Response and Easy Feedback Loop Design.
  • Adaptive Synchronous Rectification Control with Dual Edge Tracking.
  • Closed Loop Soft-Start for Monotonic Rising Output.
  • Wide Operating Frequency (39 kHz ~ 690 kHz).
  • Green Functions to Improve Light-Load Efficiency - Symmetric PWM Control at Light-Load to Limit the Switching Frequency while R.

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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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FAN7688 —Advanced Secondary Side LLC Resonant Converter Controller with Synchronous Rectifier Control November 2015 FAN7688 Advanced Secondary Side LLC Resonant Converter Controller with Synchronous Rectifier Control Features  Secondary Side PFM Controller for LLC Resonant Converter with Synchronous Rectifier Control  Charge Current Control for Better Transient Response and Easy Feedback Loop Design  Adaptive Synchronous Rectification Control with Dual Edge Tracking  Closed Loop Soft-Start for Monotonic Rising Output  Wide Operating Frequency (39 kHz ~ 690 kHz)  Green Functions to Improve Light-Load Efficiency - Symmetric PWM Control at Light-Load to Limit the Switching Frequency while Reducing Switching Losses - Disabling SR at Light-Load Condition  Protection Functions with Aut