GRX Technology Co, Ltd
EV5403-QB-02A 3A High Efficiency Dual Buck and One Load Switch Power Management Unit Evaluation Board QFN20
EV5403-QB-02A 3A High Efficiency Dual Buck and One Load Switch Power Management Unit Evaluation Board QFN20

EV5403-QB-02A 3A High Efficiency Dual Buck and One Load Switch Power Management Unit Evaluation Board QFN20

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pMPS EV5403-QB-02A — High Efficiency Dual Buck and One Load Switch Power Management Unit, 3 A output, QFN20./p
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    EV5403-QB-02A 3A High Efficiency Dual Buck and One Load Switch Power Management Unit Evaluation Board QFN20

    The MPS EV5403-QB-02A is an evaluation board built around the MP5403 for bench characterisation of the device in its intended topology. It is rated for 3 A and switches at 1.5 MHz. The board carries the device in its QFN20 package.

    The EV5403-QB-02A Evaluation Board is designed to demonstrate the capabilities of MPS' MP5403.

    Key Specifications

    Part NumberEV5403-QB-02A
    Board ForMP5403
    Board TypeEvaluation / demonstration board
    FunctionHigh Efficiency Dual Buck and One Load Switch Power Management Unit
    Current Rating3 A
    Switching Frequency1.5 MHz
    PackageQFN20
    LifecycleNRFND
    Ordering CodesEV5403-QB-02A

    Features

    • Up to 6V Operating Input Range
    • Low IQ: 85µA for Two Switchers Totally
    • Two Buck Converters:
    • 3.5A with 55mΩ/20mΩ RDSON
    • 2.5A with 65mΩ/22mΩ RDSON
    • 1.5MHz Switching Frequency
    • One Load Switch with 20mΩ RON
    • 3A with 20mΩ RDSON
    • Soft Start and Output Discharge
    • Over Current Protection

    Evaluation Board

    EV5403-QB-02A evaluation board
    EV5403-QB-02A evaluation board, as published by MPS.

    Design Notes

    • The board ships in a default configuration; check the jumper and resistor options against the user guide before applying power.
    • Respect the input terminal rating — most faults on evaluation boards come from an supply above the marked limit.
    • Test points on the switching node and output are for a short-ground probe, not for a long oscilloscope lead.
    • Where a GUI is supported, connect the dongle before power-up so the device enumerates on the I²C bus.

    Common Questions

    Which package and ordering codes apply to the EV5403-QB-02A?
    QFN20; order codes include EV5403-QB-02A.
    What are the defining features of the EV5403-QB-02A?
    Up to 6V Operating Input Range Low IQ: 85µA for Two Switchers Totally

    Shenzhen Gaorunxin Technology Co., Ltd

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    Shenzhen Gaorunxin Technology Co., Ltd

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