3.3V DC to DC Single Output Power Supply for DSL Line Card

Reference Design using part MIC9131 by Microchip Technology


Microchip Technology
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

For End Products

  • DSL Line Card
  • Telecom Power Supply


  • MIC9130/1 are dc/dc PWM controls that can operate directly from high voltage telecom lines, up to 180V. high voltage start-up circuitry removes need for several external components which are required with other solutions

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    36 to 72 V
  • Output Voltage
    3.3 V
  • Output Current
    20 A
  • Efficiency
    90 %
  • Topology

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