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MIC4744

Part Number	MIC4744
Manufacturer	Micrel Semiconductor
Description	4 MHz Dual 2A Integrated Switch Buck Regulator
Published	Apr 24, 2009
Detailed Description	MIC4744 4 MHz Dual 2A Integrated Switch Buck Regulator General Description The Micrel MIC4744 is a high efficiency dual...
Datasheet	MIC4744 PDF File

Overview

MIC4744 4 MHz Dual 2A Integrated Switch Buck Regulator General Description The Micrel MIC4744 is a high efficiency dual PWM buck (step-down) regulator that provides dual 2A current output.
The MIC4744 operates at 4MHz.
A proprietary internal compensation technique allows a closed loop bandwidth of over 200kHz.
The low on-resistance internal P-Channel MOSFET of the MIC4744 allows efficiencies over 90%, reduces external components count and eliminates the need for an expensive current sense resistor.
The MIC4744 operates from 2.
9V to 5.
5V input and the output can be adjusted down to 0.
6V.
The device can operate with a maximum duty cycle of 100% for use in lowdropout conditions.
The MIC4744 is...

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