IMP38HC44, IMP38HC43 - BiCMOS Current-Mode PWM Controllers

IMP

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IMP38HC44 Datasheet Preview — This datasheet PDF includes multiple part numbers: IMP38HC44, IMP38HC43. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	IMP38HC44, IMP38HC43
Manufacturer	IMP
File Size	220.05 KB
Description	BiCMOS Current-Mode PWM Controllers
Datasheet	IMP38HC43_IMP.pdf
Note	This datasheet PDF includes multiple part numbers: IMP38HC44, IMP38HC43. Please refer to the document for exact specifications by model.

IMP38HC44 Product details

Description

Pin Number 8-Pin Package 1 2 3 4 14-Pin Package 1 3 5 7 Name COMP FB ISNS RT/CT Function Output of the Error amplifier and input to the PWM comparator.Inverting input of the Error Amplifier.Current sense comparator input.It is internally limited to 1V.Oscillator RC timing component connection.Resistor RT is connected to VREF and capacitor CT is connected to ground.Different values of RT and CT determine the maximum duty cycle.Combined power and analog ground for 8-pin packaged devices

Features

N N N N N N N N N N N 384x Series Pinout with BiCMOS Technology Zero Cross-Conduction Current by Design 1MHz Operation 65ns Maximum Current-Sense Delay 120µA Maximum Start-Up Current 1.5mA Maximum Operating Current High Output Current Drive.
1.0A, IMP38HC4x.
0.5A, IMP38C4x 20V Maximum Supply Voltage 2.5V, 1%, Trimmed Error Amplifier Reference Trimmed Oscillator Discharge Current Pin-for-Pin Enhanced Replacements for Micrel MIC38C/HC4x and GMT38C4x/HC4x.
1MHz Operation.

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Published: Sep 25, 2011 |