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基于LTC3890_Typical Application直流到直流多输出电源的参考设计1

消耗积分:2 | 格式:pdf | 大小:786.22KB | 2021-08-31

刘洋

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说明

  • Typical Application Circuit for LTC3890MPUH 12V SEPIC and 3.3V Step-Down Converter. The LTC3890 is a high performance dual step-down switching regulator DC/DC controller that drives all N-channel synchronous power MOSFET stages. A constant frequency current mode architecture allows a phase lockable frequency of up to 850kHz. Power loss and noise due to the ESR of the input capacitor are minimized by operating the two controller output stages out-of-phase

主要特色

  • Conversion Type
    DC to DC
  • Input Voltage
    5 to 35 V
  • Output Voltage
    3.3|12 V
  • Output Current
    2@12V|10@3.3V A
  • Topology
    Buck|SEPIC

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