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SY21153AAIC

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High Efficiency Fast Response, 3A, 40V Input Synchronous Step Down Regulator
Datasheet
SY21153AAIC High Efficiency Fast Response, 3A, 40V Input Synchronous Step Down Regulator Datasheet
    Part NumberSY21153AAIC
    Vin_min (V)4.5
    Vin_max (V)40
    Vo_min (V)0.6
    Io_max (A)3
    Vref Accuracy±1.5%
    Fsw (MHz)2.5
    Iq (uA)19
    PackageTSOT23-8
    Protection ModeHic-cup SCP
    Features / Special Function
    • Low RDS(ON) for Internal Switches (Top/Bottom): 110/70 mΩ
    • 4.5-40V Input Voltage Range
    • Internal Compensation
    • Internal 1ms Soft-start Limits the Inrush Current
    • Adjustable Switching Frequency Range: 500kHz to 2.5MHz
    • 3A Output Current Capability
    • 1.5% 0.6V Reference
    • Low Quiescent Current
    • Cycle-by-cycle Peak Current Limitation
    • Short Circuit Protection
    • Thermal Shutdown and Auto Recovery
    • RoHS Compliant and Halogen Free
    • Compact Package: TSOT23-8

     

    Evaluation Board

    • 21153A-1

      Photo of evaluation board

    • 21153A-2

      Photo of evaluation board

    • 21153A-3

      Photo of evaluation board

    EVB_SY21153AAIC

    The EVB_SY21153AAIC is intended for evaluating fast response, 3A, 40V synchronous Buck regulator. It features Enable control, output voltage selection inputs.

    Design resources

    Online Simulation

    Technical Documentation

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