UC3844D - CURRENTMODE PWM CONTROLLER

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STMicroelectronics

Part number	UC3844D
Manufacturer	STMicroelectronics
File Size	96.20 KB
Description	CURRENTMODE PWM CONTROLLER
Datasheet	UC3844D Datasheet
Additional preview pages of the UC3844D datasheet.

TheUC3842/3/4/5family of controlICs provides the necessary

to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal externalparts count. Internallyimplementedcircuits include undervoltagelockout featuring start-up current less than 1 mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparatorwhich also providescurrentlimit control,and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-Channel M.

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Published: Apr 4, 2005 |