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Datasheet Microchip MIC22205YML-TR

Part NumberMIC22205YML-TR

The Micrel MIC22205 is a high-efficiency, 2A, integrated switch, synchronous buck (step-down) regulator


  • Download » Datasheet PDF, 1.7 Mb, Revision: 11-05-2015
    MIC22205 - 2A Integrated Switch High-Efficiency Synchronous Buck Reg
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    2A, Integrated, Switch, High-Efficiency,
    Synchronous Buck Regulator with
    Frequency Programmable up to 4MHz General Description Features The Micrel MIC22205 is a high-efficiency, 2A, integrated
    switch, synchronous buck (step-down) regulator. The
    MIC22205 is optimized for highest efficiency, achieving
    more than 95% efficiency while still switching at 1MHz.
    The ultra-high speed control loop keeps the output voltage
    within regulation even under the extreme transient load
    swings commonly found in FPGAs and low-voltage ASICs.
    The output voltage is pre-bias safe and can be adjusted
    down to 0.7V to address all low-voltage power needs.
    The MIC22205 offers a full range of sequencing and
    tracking options. The Enable/Delay (EN/DLY) pin,
    combined with the Power Good (PG) pin, allows multiple
    outputs to be sequenced in any way during turn-on and
    turn-off. The Ramp Controlв„ў (RC) pin allows the device to
    be connected to another product in the MIC22xxx and/or
    MIC68xxx family, to keep the output voltages within a
    certain ∆V on start-up.
    The MIC22205 is available in a 12-pin 3mm x 3mm MLF
    with a junction operating range from –40°C to +125°C. ...



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




# of Outputs1
Automotive RatedNo
Duty Cycle Max1 %
Input Voltage Range2.9 - 5.5 V
Light Load Efficiency ModeNo
Operating Temperature Range-40 to +125 °C
Output Current2000 mA) Max
Output Voltage Range0.7 - 5.5 V
Quiescent Current1.2 mA) type
Regulator TypeStep Down (Buck)
SHUTDOWN Current3.7 µA
Synchronous RectifierYes
Vfb0.7 V

Eco Plan


Moldel Line

Series: MIC22205 (1)
  • MIC22205YML-TR

Manufacturer's Classification

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

Other Names:


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