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Datasheet Microchip MIC23158YML-T5

Part NumberMIC23158YML-T5

The MIC23158/9 is a high efficiency 3MHz dual 2A synchronous buck regulator with HyperLight Load® mode, Power Good output indicator, and programmable soft start


  • Download » Datasheet, PDF, 966 Kb, Revision: 11-05-2015
    MIC23158/9 - 3MHz PWM Dual 2A Buck Regulator with HyperLight Load® & Power Good
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    3MHz PWM Dual 2A Buck Regulator with
    HyperLight Load and Power Good General Description Features The MIC23158/9 is a high-efficiency, 3MHz, dual, 2A
    synchronous buck regulator with HyperLight Load mode,
    power good output indicator, and programmable soft start.
    The MIC23159 also provides an auto discharge feature
    that switches in a 225Ω pull down circuit on its output to
    discharge the output capacitor when disabled. HyperLight
    Load provides very high efficiency at light loads and ultrafast transient response which makes the MIC23158/9
    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 20-pin 3mm x 4mm
    MLF package saves precious board space and requires
    seven external components for each channel.
    The MIC23158/9 is designed for use with a very small
    inductor, down to 0.47µH, and an output capacitor as small
    as 2.2µF that enables a total solution size, less than 1mm
    in height.
    The MIC23158/9 has a very low quiescent current of 45µA
    and achieves a peak efficiency of 94% in continuous
    conduction mode. In discontinuous conduction mode, the ...



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




# of Outputs2
Automotive RatedNo
Duty Cycle Max0.9 %
Input Voltage Range2.7 - 5.5 V
Light Load Efficiency ModeYes
Operating Temperature Range-40 to +125 °C
Output Current1500 mA) Max
Output Voltage Range0.62 - 3.3 V
Quiescent Current45 mA) type
Regulator TypeStep Down (Buck)
SHUTDOWN Current0.1 µA
Switching Frequency3000 kHz
Synchronous RectifierYes
Vfb0.62 V

Eco Plan


Other Options


Moldel Line

Series: MIC23158 (2)

Manufacturer's Classification

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

Other Names:

MIC23158YMLT5, MIC23158YML T5

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