MP2019 3-40V, 300mA Low Quiescent Current Adjustable Output Linear Regulator SOIC
MP2019 3-40V, 300mA Low Quiescent Current Adjustable Output Linear Regulator SOIC

MP2019 3-40V, 300mA Low Quiescent Current Adjustable Output Linear Regulator SOIC

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pMPS MP2019 — Low Quiescent Current Adjustable Output Linear Regulator, 3-40V input, 300 mA output, SOIC./p
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    MP2019 3-40V, 300mA Low Quiescent Current Adjustable Output Linear Regulator SOIC

    The MPS MP2019 is a Low Quiescent Current Adjustable Output Linear Regulator. It operates from a 3 V to 40 V input and is rated for 300 mA. It is supplied in a SOIC package.

    The MP2019 is a low-power linear regulator that supplies power to systems with high- voltage batteries.

    Key Specifications

    Part NumberMP2019
    FunctionLow Quiescent Current Adjustable Output Linear Regulator
    Input Voltage3 V to 40 V
    Current Rating300 mA
    Quiescent Current10 µA
    PackageSOIC
    Ordering CodesMP2019

    Features

    • 3V to 40V Input Range
    • 10µA Quiescent Supply Current
    • Stable with Low-Value Output Ceramic Capacitor (> 0.47μF)
    • 300mA Specified Current
    • Fixed 5V, 3.3V, and Adjustable Output (1.2 V to 15 V) Versions
    • Output ±2% Accuracy Over Temperature
    • Specified Current Limit
    • Power Good
    • Programmable Power Good Delay
    • Thermal Shutdown and Short-Circuit Protection

    Typical Application Circuit

    MP2019 typical application circuit
    MP2019 typical application circuit, as published in the MPS datasheet.

    Applications

    • Industrial/Automotive Applications
    • Portable/Battery-Powered Equipment
    • Ultra-Low Power Microcontrollers
    • Cellular Handsets

    Design Notes

    • Dissipation is (VIN − VOUT) × IOUT. Check it against the package thermal resistance at the real ambient temperature before committing to the full rated current.
    • Some low-noise LDOs require a minimum output capacitor ESR for loop stability — read the stability section before substituting a ceramic part.
    • Add a bypass capacitor on the reference pin where provided; it sets the output noise floor.
    • PSRR falls as the input-to-output differential shrinks, so headroom matters at low VIN.

    Common Questions

    What input voltage does the MP2019 support?
    3 V to 40 V. The rated output is 300 mA.
    Which package and ordering codes apply to the MP2019?
    SOIC; order codes include MP2019.
    What are the defining features of the MP2019?
    3V to 40V Input Range 10µA Quiescent Supply Current

    Shenzhen Gaorunxin Technology Co., Ltd

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