PMP4478, AC input, 5V/3A Quasi-resonant Flyback Converter with Optimized Light Load Efficiency Reference Design

Reference Design using part UCC28740 by Texas Instruments

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PMP4478 Image
PMP4478 Schematic
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Manufacturer

Texas Instruments
  • Application Category
    Power Supplies
  • Product Type
    AC to DC Single Output Power Supplies

Associated Documents

For End Products

  • Home Appliances

Description

  • PMP4478, AC input, 5V/3A Quasi-resonant Flyback Converter with Optimized Light Load Efficiency Reference Design. The PMP4478 is an optimized reference design for appliance applications which provides high current. Low ripple/noise < 50mV is achieved via Pi type filter at the output. The design also achieves good light load efficiency with optimized transformer design. When the load is 300mW, the input power can still be limited to less than 420mW

Key Features

  • Conversion Type
    AC to DC
  • Input Voltage
    90 to 264 (AC) V
  • Output Voltage
    5 V
  • Output Current
    3 A
  • Output Power
    15 W
  • Topology
    Flyback- Quasi Resonant

Featured Parts (6)

Featured Parts
Part Number Manufacturer Type Description
TL431AIDBZTG4 Texas Instruments Voltage References V-Ref Adjustable 2.495V to 36V 100mA 3-Pin SOT-23 T/R Buy
TL431AIDBZRG4 Texas Instruments Voltage References V-Ref Adjustable 2.495V to 36V 100mA 3-Pin SOT-23 T/R Buy
TL431AIDBZR Texas Instruments Voltage References V-Ref Adjustable 2.495V to 36V 100mA 3-Pin SOT-23 T/R Buy
TL431AIDBZT Texas Instruments Voltage References V-Ref Adjustable 2.495V to 36V 100mA 3-Pin SOT-23 T/R Buy
UCC28740D Texas Instruments AC to DC Switching Converters AC to DC Switching Converter Flyback 8.15V 100kHz Tube 7-Pin SOIC Buy
UCC28740DR Texas Instruments AC to DC Switching Converters AC to DC Switching Converter Flyback 8.15V 100kHz T/R 7-Pin SOIC Buy

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