255W, 3.3V, 4.5V, 5V, 8V, 12V, 27.5V, 34V AC to DC Multi-Output Power Supply

Reference Design using part KA278R33 by onsemi


  • Application Category
    Power Supplies
  • Product Type
    AC to DC Multi-Output Power Supplies

For End Products

  • DVD Player


  • KA5Q1565RF, High efficiency (>83%) and low EMI through Quasi-resonant operation for DVD Receiver applications

Key Features

  • Conversion Type
    AC to DC
  • Input Voltage
    85 to 265 (AC) V
  • Output Voltage
    3.3|4.5|5|8|12|27.5|34 V
  • Output Current
    0.1@4.5V|1@34V|1.4@3.3V|1.4@5V|2@12V|2.5@8V|6@27.5V A
  • Output Power
    255 W
  • Efficiency
    83 %
  • Topology
    Quasi Resonant

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