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MIC38HC42

Micrel Semiconductor
Part Number MIC38HC42
Manufacturer Micrel Semiconductor
Description BiCMOS 1A Current-Mode PWM Controllers
Published Mar 26, 2005
Detailed Description MIC38HC42/3/4/5 Micrel MIC38HC42/3/4/5 BiCMOS 1A Current-Mode PWM Controllers General Description The MIC38HC4x famil...
Datasheet PDF File MIC38HC42 PDF File

MIC38HC42
MIC38HC42

Overview
MIC38HC42/3/4/5 Micrel 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 UC384x devices operating from a...


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