Feedback Isolation Augments Power-Supply Safety and Performance

Analog Devices の部品 MAX1771C を使用したリファレンス デザイン

メーカー

Analog Devices
  • アプリケーションカテゴリ
    電源装置
  • 製品タイプ
    DC-DCシングル出力電源

最終製品向け

  • Communications and Telecom
  • Portable

説明

  • Application circuit converts 12V to an isolated 9V and incorporates a current-mode PFM controller, IC1, which operates with switching frequencies to 300kHz. IC2's shunt regulator, acting as an error amplifier, sinks current when an increasing VOUT pulls the feedback voltage above its internal reference voltage

主な特徴

  • Conversion Type
    DC to DC
  • Input Voltage
    12 V
  • Output Voltage
    -9 V
  • Output Current
    0.2 A
  • Efficiency
    80 %
  • Topology
    Flyback

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