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38HC43

Micrel Semiconductor
Part Number 38HC43
Manufacturer Micrel Semiconductor
Description MIC38HC43
Published Sep 25, 2011
Detailed Description www.DataSheet.co.kr MIC38HC42/3/4/5 Micrel, Inc. MIC38HC42/3/4/5 BiCMOS 1A Current-Mode PWM Controllers General Desc...
Datasheet PDF File 38HC43 PDF File

38HC43
38HC43

Overview
www.
DataSheet.
co.
kr MIC38HC42/3/4/5 Micrel, Inc.
MIC38HC42/3/4/5 BiCMOS 1A Current-Mode PWM Controllers General Description The MIC38HC4x family are fixed frequency current-mode PWM controllers with 1A drive current capability.
Micrel’s BiCMOS devices are pin-compatible with 384x bipolar devices.
Their high output drive, with fast rise and fall times, combined with low startup current make it an ideal PWM controller where high efficiency is required.
Undervoltage lockout circuitry allows the ’42 and ’44 versions to start up at 14.
5V and operate down to 9V, and the ’43 and ’45 versions start at 8.
4V with operation down to 7.
6V.
All versions operate up to 20V.
When compared to bipolar UC38...


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