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SY20019ARC

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Application Note
High Efficiency, 1.5MHz 5.5V/1A Synchronous Step Down Regulator
    Part NumberSY20019ARC
    Vin_min (V)2.5
    Vin_max (V)5.5
    Io_max (A)1
    Channels
    Vo_min (V)0.6
    Fsw (MHz)1.5
    Vref (V)
    Vref Accuracy±1.5%
    Iq (uA)55
    Rdson1170
    Rdson2100
    Soft Start0.75
    PackageSOT563
    Topology
    Protection ModeHic-cup SCP
    Features / Special FunctionPower Good Indicator,Auto-Discharge,100% Dropout Operation
    Temp Range

     

    • 2.5V to 5.5V Input Voltage Range
    • 55μA Low Quiescent Current
    • Low RDS(ON) for Internal Switches (Top/Bottom): 170mΩ /100mΩ
    • High Switching Frequency 1.5MHz Minimizes the External Components
    • Internal Soft-start Limits the Inrush Current
    • 100% Dropout Operation
    • Power Good Indicator
    • Hic-cup for Short Circuit Protection
    • Output Auto Discharge Function
    • RoHS Compliant and Halogen Free
    • Compact Package: SOT563

     

    Evaluation Board

    • 20019-1

      Photo of evaluation board

    • 20019-2

      Photo of evaluation board

    EVB_SY20019ARC

    The EVB_SY20019ARC is intended for evaluating 1.5 MHz, 1A, 2.5~5.5V input, 1.8V output synchronous Buck regulator. It features enable control. 

    Technical Documentation

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