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FAN6248HD Datasheet Advanced Synchronous Rectifier Controller

Manufacturer: onsemi

Overview: DATA SHEET www.onsemi.com Advanced Synchronous Rectifier Controller for LLC Resonant Converter FAN6248HC/HD/LC/LD The FAN6248 is an advanced synchronous rectifier (SR) controller that is optimized for LLC resonant converter topology with minimum external components. It has two driver stages for driving the SR MOSFETs which are rectifying the outputs of the secondary transformer windings. The two gate driver stages have their own sensing inputs and operate independently of each other. The adaptive parasitic inductance compensation function minimizes the body diode conduction maximizing the efficiency. The advanced control algorithm allows stable SR operation over entire load range. According to the operating frequency and turn-off threshold voltage, FAN6248 has four different versions − FAN6248HCMX, FAN6248HDMX, FAN6248LCMX, FAN6248LDMX.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • Highly Integrated Self-contained Control of Synchronous Rectifier with a Minimum External Component Count.
  • Optimized for LLC Resonant Converter.
  • Anti Shoot-through Control for Reliable SR Operation.
  • Separate 100 V Rated Sense Inputs for Sensing the Drain and Source Voltage of each SR MOSFET.
  • Adaptive Parasitic Inductance Compensation to Minimize the Body Diode Conduction.
  • SR Current Inversion Detection under Light Load Condition.
  • Li.

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