DN91, Synchronous Rectification Improves Set Top-Box Power Supply Efficiency

使用 Diodes Incorporated 的 ZTL431 的参考设计

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DN91, Synchronous Rectification Improves Set Top-Box Power Supply Efficiency.
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供应商

Diodes Incorporated
  • 应用类别
    电源
  • 产品类别
    交流到直流多输出电源

相关文件

依据最终产品

  • Set-Top Box

说明

  • Typical set top box power supply. It is a cost effective design with minimum component count. The circuit is designed to operate in Discontinuous Conduction Mode because there are lower switching losses. Furthermore, the flyback transformer size can be reduced owing to the lower average energy storage whilst its smaller magnetizing inductance also yields a better transient line/load response

主要特色

  • Conversion Type
    AC to DC
  • Input Voltage
    230 (AC) V
  • Output Voltage
    -20|3.3|5|12 V
  • Output Current
    0.06@-20V|0.5@12V|2@3.3V|2.5@5V A
  • Output Power
    27 W
  • Efficiency
    78.2 %
  • Topology
    Flyback

Featured Parts (3)

Featured Parts
零件编号 供应商 类别 说明
ZTL431BQE5TA Diodes Incorporated Voltage References V-Ref Adjustable 2.5V to 20V 100mA Automotive AEC-Q100 5-Pin SOT-25 T/R 买入
ZTL431BQFTA Diodes Incorporated Voltage References V-Ref Adjustable 2.5V to 20V 100mA Automotive AEC-Q100 3-Pin SOT-23 T/R 买入
ZTL431AQFTA Diodes Incorporated Voltage References V-Ref Adjustable 2.5V to 20V 100mA Automotive AEC-Q100 3-Pin SOT-23 T/R 买入

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