SY21031ABC-Products-Silergy Corp

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SY21031ABC (SY8401ABC)

Production
High Efficiency, 1.2MHz, 55V Input, 0.8A Asynchronous Step Down Regulator
Datasheet
SY21031ABC High Efficiency, 1.2MHz, 55V Input, 0.8A Asynchronous Step Down Regulator Datasheet
    Part NumberSY21031ABC
    Vin_min (V)4.5
    Vin_max (V)55
    Vo_min (V)0.6
    Io_max (A)0.8
    Vref Accuracy±1%
    Fsw (MHz)1.2
    Iq (uA)150
    PackageSOT23-6
    Protection ModeHic-cup SCP
    Features / Special Function
    •      Low RDS(ON) for Internal N-channel Power FET: 700mΩ
    •      4.5-55V Input Voltage Range
    •      0.8A Output Current Capability
    •      1.2MHz Pseudo Constant Switching Frequency
    •      Internal Soft-start Limits the Inrush Current
    •      Hic-cup Mode Output Short Circuit Protection
    •      EN ON/OFF Control with Accurate Threshold
    •      Cycle by Cycle Peak Current Limit
    •      0.6V±1 % Reference Voltage
    •      SOT23-6  Package

    Evaluation Board

    • 21031-1

      Photo of evaluation board

    • 21031-2

      Photo of evaluation board

    • 21031-3

      Photo of evaluation board

    EVB_SY21031ABC

    The EVB_SY21031ABC is intended for evaluating fast response, 0.8A, 55V input, 1.2MHz asynchronous Buck regulator.

    Technical Documentation

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