MPQ2420 4.5-75V, 0.3A Synchronous Step-Down Converter TSSOP-16
MPQ2420 4.5-75V, 0.3A Synchronous Step-Down Converter TSSOP-16

MPQ2420 4.5-75V, 0.3A Synchronous Step-Down Converter TSSOP-16

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pMPS MPQ2420 — synchronous step-down converter, 4.5-75V input, 0.3A output, TSSOP-16./p
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    MPQ2420 4.5-75V, 0.3A Synchronous Step-Down Converter TSSOP-16

    MPS MPQ2420 is a synchronous step-down converter that accepts 4.5 V to 75 V input, delivers 0.3 A, supplied in a TSSOP-16 package.

    Key Specifications

    Part NumberMPQ2420
    Input Voltage4.5 V to 75 V
    Output Current0.3 A
    Quiescent Current20 uA
    TopologySynchronous Step-Down Converter
    PackageTSSOP-16
    Ordering CodesMPQ2420

    Features

    • 20μA Quiescent Current for Buck Only
    • Wide 4.5V to 75V Operating Input Range (80V ABS MAX)
    • 1.2Ω/0.45Ω Internal Power MOSFETs
    • Programmable Soft Start
    • FB Tolerance: 1% at Room Temperature, 2% at Full Temperature
    • Adjustable Output Voltage
    • Integrated Window Watchdog
    • Power-On Reset during Power-Up
    • Under-Voltage Lockout and Thermal Shutdown
    • Programmable Short Window Mode or Long Window Mode

    Applications

    • Automotive Systems
    • Industrial Power Systems
    • Distributed Power Systems

    Design Notes

    • The step-down topology needs an inductor and output capacitor sized for the ripple at the switching frequency, not just the DC load.
    • Keep the input loop short — high di/dt at the switch node sets conducted EMI.
    • Power switches are integrated, so the thermal path is the PCB copper under the pad.
    • AEC-Q100 qualification suits this part to automotive rails.
    • Package TSSOP-16 — check the land pattern in the datasheet before layout.

    Common Questions

    What is the input and output rating of the MPQ2420?
    4.5–75 V input and 0.3 A output.
    Which package is the MPQ2420 available in?
    TSSOP-16.

    Shenzhen Gaorunxin Technology Co., Ltd

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