Datasheet Microchip MIC23155YMT-TR The MIC23155 is a high efficiency 3MHz 2A synchronous buck regulator with HyperLight Load® mode, Power Good output indicator, and programmable soft start Datasheets- Download » Datasheet PDF, 993 Kb, Revision: 11-05-2015
MIC23155 - 3MHz PWM 2A Buck Regulator with HyperLight Load® and Power Good
Docket ↓MIC23155
3MHz PWM 2A Buck Regulator with
HyperLight Load® and Power Good General Description Features The MIC23155 is a high-efficiency 3MHz 2A synchronous
buck regulator with HyperLight Load mode, power good
output indicator, and programmable soft start. HyperLight
Load provides very high efficiency at light loads and ultrafast transient response which makes the MIC23155
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 2.5mm x
2.5mm Thin DFN package saves precious board space
and requires only four external components.
The MIC23155 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 MIC23155 has a very low quiescent current of 22µA
and achieves a peak efficiency of 94% in continuous
conduction mode. In discontinuous conduction mode, the
MIC23155 can achieve 85% efficiency at 1mA.
The MIC23155 is available in a 10-pin 2.5mm x 2.5mm
Thin DFN package with an operating junction temperature
range from –40°C to +125°C. ...
PricesStatus| Lifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) |
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PackagingParametrics| # of Outputs | 1 |
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| Automotive Rated | No |
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| Duty Cycle Max | 0.89 % |
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| Input Voltage Range | 2.7 - 5.5 V |
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| Light Load Efficiency Mode | Yes |
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| Operating Temperature Range | -40 to +125 °C |
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| Output Current | 2000 mA) Max |
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| Output Voltage Range | 0.62 V |
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| Quiescent Current | 0.022 mA) type |
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| Regulator Type | Step Down (Buck) |
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| SHUTDOWN Current | 0.01 µA |
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| Switching Frequency | 3000 kHz |
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| Synchronous Rectifier | Yes |
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| Vfb | 0.62 V |
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Eco PlanMoldel LineSeries: MIC23155 (2) Manufacturer's Classification- Power Management > Switching Regulators > Step Down up to 6V
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