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[电源设计]

用于低EMI的准谐振隔离式反激转换器设计方案

描述

PMP7991 is a quasi-resonant isolated flyback using the LM5023 controller IC. The design accepts an input voltage of 85VAC to 265VAC and provides a selectable output of 12Vout or 5Vout capable of supplying 2A of current to the load. The quasi-resonant switching scheme helps to reduce EMI.


主要特色

  • Isolated flyback converter
  • Wide input range suitable for worldwide AC input condition
  • Output is switch selectable for 5V or 12V at 2A
  • Quasi-resonant switching for low EMI

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