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UTC3843D - PWM CONTROLLER

Description

The UTC3843D/E provides the necessary

Features

  • to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than 1mA,a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control,and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N chan.

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Datasheet Details

Part number UTC3843D
Manufacturer YOUWANG
File Size 81.87 KB
Description PWM CONTROLLER
Datasheet download datasheet UTC3843D Datasheet
Additional preview pages of the UTC3843D datasheet.

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Full PDF Text Transcription

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UTC3843D/E LINEAR INTEGRATED CIRCUIT CURRENT MODE PWM CONTROL CIRCUITS DESCRIPTION The UTC3843D/E provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than 1mA,a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control,and a totem pole output stage designed to source or sink high peak current.The output stage, suitable for driving N channel MOSFETs,is low in the off state.
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