DN05049/D, Universal AC Input, 5 Volt Output, 15 to 24 Watt Power Supply Design Note

使用 onsemi 的 NCP1077ST 的参考设计

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DN05049/D Image
Efficiency vs. Load Curve
5V Circuit Schematic
Image 1 / 3

供应商

onsemi
  • 应用类别
    电源
  • 产品类别
    交流到直流单输出电源

依据最终产品

  • Electronic Meter
  • Smart Electric Meter
  • White Goods

说明

  • DN05049/D, Design Note describes a simple, low power (25W or less), universal AC input, constant voltage power supply intended for powering utility electric meters or similar industrial equipment or white goods where isolation from the AC mains is required and low cost and high efficiency is essential. The featured power supply is a simple CCM flyback topology utilizing new NCP1076/1077 series of monolithic switchers in an SOT-223 package. This Design Note provides the complete circuit schematic details and transformer design for 5V/4A power supplies

主要特色

  • Conversion Type
    AC to DC
  • Input Voltage
    85 to 270 (AC) V
  • Output Voltage
    5 V
  • Output Current
    4.5 A
  • Output Power
    15 to 25 W
  • Efficiency
    80 %
  • Topology
    Flyback- CCM

Featured Parts (10)

Featured Parts
零件编号 供应商 类别 说明
NCP431AISNT1G onsemi Voltage References V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23 T/R 买入
NCP431AVSNT1G onsemi Voltage References V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23 T/R 买入
NCP431ACSNT1G onsemi Voltage References V-Ref Adjustable 2.5V to 36V 100mA 3-Pin SOT-23 T/R 买入
NCP1076STAT3G onsemi AC to DC Switching Converters AC to DC Switching Converter Off-Line Switcher 6.6V 65kHz T/R 4-Pin(3+Tab) SOT-223 买入
PS2561BL-1-Q-A Renesas Electronics Transistor and Photovoltaic Output Photocouplers Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin DIP SMD T/R 买入
NCP1076STBT3G onsemi AC to DC Switching Converters AC to DC Switching Converter Off-Line Switcher 6.6V 100kHz T/R 4-Pin(3+Tab) SOT-223 买入
PS2561BL-1-F3-Q-A Renesas Electronics Transistor and Photovoltaic Output Photocouplers Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD T/R 买入
NCP1077STCT3G onsemi AC to DC Switching Converters AC to DC Switching Converter Off-Line Switcher 6.6V 130kHz T/R 4-Pin(3+Tab) SOT-223 买入
NCP1077STBT3G onsemi AC to DC Switching Converters AC to DC Switching Converter Off-Line Switcher 6.6V 100kHz T/R 4-Pin(3+Tab) SOT-223 买入
NCP1077STAT3G onsemi AC to DC Switching Converters AC to DC Switching Converter Off-Line Switcher 6.6V 65kHz T/R 4-Pin(3+Tab) SOT-223 买入

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