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Datasheet Microchip MIC23031-GYMT-TR

Part NumberMIC23031-GYMT-TR

The MIC23031 is a high efficiency 4MHz 400mA synchronous buck regulator with HyperLight Load® mode


  • Download » Datasheet PDF, 1.2 Mb, Revision: 11-05-2015
    MIC23031 - 4MHz PWM 400mA Buck Regulator with HyperLight Load?
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    4MHz PWM 400mA Buck Regulator with
    HyperLight Loadв„ў General Description Features The MIC23031 is a high-efficiency 4MHz 400mA
    synchronous buck regulator with HyperLight Loadв„ў mode.
    HyperLight Loadв„ў provides very-high efficiency at light
    loads and ultra-fast transient response which is perfectly
    suited for supplying processor core voltages. An additional
    benefit of this proprietary architecture is very-low output
    ripple voltage throughout the entire load range with the use
    of small output capacitors. The tiny 1.6mm x 1.6mm Thin
    MLFВ® package saves precious board space and requires
    only three external components.
    The MIC23031 is designed for use with a very-small
    inductor, down to 0.47ВµH, and an output capacitor as small
    as 2.2ВµF that enables a sub-1mm height.
    The MIC23031 has a very-low quiescent current of 21ВµA
    and achieves as high as 88% efficiency at 1mA. At higher
    loads, the MIC23031 provides a constant switching
    frequency around 4MHz while achieving peak efficiencies
    up to 93%.
    The MIC23031 is available in a 6-pin 1.6mm x 1.6mm Thin
    MLFВ® package with an operating junction temperature
    range from –40°C to +125°C. ...



Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)




# of Outputs1
Automotive RatedNo
Duty Cycle Max0.89 %
Input Voltage Range2.7 - 5.5 V
Light Load Efficiency ModeYes
Operating Temperature Range-40 to +125 °C
Output Current400 mA) Max
Output Voltage Range0.62 V
Quiescent Current0.021 mA) type
Regulator TypeStep Down (Buck)
SHUTDOWN Current0.01 µA
Switching Frequency4000 kHz
Synchronous RectifierYes
Vfb0.62 V

Eco Plan


Moldel Line

Series: MIC23031 (5)

Manufacturer's Classification

  • Power Management > Switching Regulators > Step Down up to 6V

Other Names:


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