GRX Technology Co, Ltd
EVQ28261-L-00A 7-21V 21V, 3A 500kHz Synchronous Step-down Converter EV Board Evaluation Board QFN3
EVQ28261-L-00A 7-21V 21V, 3A 500kHz Synchronous Step-down Converter EV Board Evaluation Board QFN3

EVQ28261-L-00A 7-21V 21V, 3A 500kHz Synchronous Step-down Converter EV Board Evaluation Board QFN3

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pMPS EVQ28261-L-00A — 21V, 3A 500kHz Synchronous Step-down Converter EV Board, 7-21V input, 3 A output, QFN3./p
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    EVQ28261-L-00A 7-21V 21V, 3A 500kHz Synchronous Step-down Converter EV Board Evaluation Board QFN3

    The MPS EVQ28261-L-00A is an evaluation board built around the MPQ28261 for bench characterisation of the device in its intended topology. It operates from a 7 V to 21 V input, is rated for 3 A and switches at 500 kHz. The board carries the device in its QFN3 package.

    The EVQ28261-L-00A is for demonstrating MPS's MPQ28261, a high frequency synchronous rectified step-down switch mode converter with built in internal power MOSFETs.

    Key Specifications

    Part NumberEVQ28261-L-00A
    Board ForMPQ28261
    Board TypeEvaluation / demonstration board
    Function21V, 3A 500kHz Synchronous Step-down Converter EV Board
    Input Voltage7 V to 21 V
    Current Rating3 A
    Switching Frequency500 kHz
    PackageQFN3
    Ordering CodesEVQ28261-L-00A

    Features

    • Wide 7V to 21V Operating Input Range
    • 0.6V Internal Reference with 2% Accuracy
    • 3A Output Current
    • Low Rds(ON) Internal Power MOSFETs
    • Fixed 500kHz Switching Frequency
    • External Soft Start
    • OCP and Thermal Shutdown
    • Available in 14-pin QFN3x4 Package

    Evaluation Board

    EVQ28261-L-00A evaluation board
    EVQ28261-L-00A 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

    What input voltage does the EVQ28261-L-00A support?
    7 V to 21 V. The rated output is 3 A.
    Which package and ordering codes apply to the EVQ28261-L-00A?
    QFN3; order codes include EVQ28261-L-00A.
    What are the defining features of the EVQ28261-L-00A?
    Wide 7V to 21V Operating Input Range 0.6V Internal Reference with 2% Accuracy

    Shenzhen Gaorunxin Technology Co., Ltd

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    Shenzhen Gaorunxin Technology Co., Ltd

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