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Datasheet Microchip MIC28500

ManufacturerMicrochip
SeriesMIC28500

For product comparison, please consider: MIC28514, MIC28515 View Side By Side Comparison

Datasheets

  • Download » Datasheet, PDF, 1.4 Mb, Revision: 11-05-2015
    MIC28500 - 75V/4A Hyper Speed Control? Synchronous DC-DC Buck Regulator
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    MIC28500
    75V/4A Hyper Speed Control™
    Synchronous DC-DC Buck Regulator
    SuperSwitcher II™ General Description Features The Micrel MIC28500 is an adjustable frequency,
    synchronous buck regulator featuring a unique adaptive ontime control architecture. The MIC28500 operates over an
    input supply range of 30V to 75V and provides a regulated
    output of up to 4A of output current. The output voltage is
    adjustable down to 0.8V with a guaranteed accuracy of ±1%. Micrel’s Hyper Speed Control™ architecture allows for ultrafast transient response while reducing the output capacitance
    and also makes (High VIN)/(Low VOUT) operation possible.
    This adaptive tON ripple control architecture combines the
    advantages of fixed-frequency operation and fast transient
    response in a single device.
    The MIC28500 offers a full suite of protection features to
    ensure protection of the IC during fault conditions. These
    include undervoltage lockout to ensure proper operation
    under power-sag conditions, internal soft-start to reduce
    inrush current, foldback current limit, “hiccup” mode shortcircuit protection and thermal shutdown.
    All support documentation can be found on Micrel’s web
    site at: www.micrel.com. Hyper Speed Control™ architecture enables
    -High Delta V operation (VIN = 75V and VOUT = 0.8V)
    -Small output capacitance
    30V to 75V voltage input
    Adjustable output down to 0.8V ...

Prices

Manufacturer's Classification

  • Power Management > Switching Regulators > Step Down up to 75V

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