UC3843B - CONTROLLERS

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UTC

UC3843B CONTROLLERS by UTC - Datasheet Preview — Datasheet preview – UC3843B

Datasheet Details

Part number	UC3843B
Manufacturer	UTC
File Size	482.56 KB
Description	CONTROLLERS
Datasheet	UC3843B Datasheet
Note	This datasheet PDF includes multiple part numbers: UC3843B, UC3842B. Please refer to the document for exact specifications by model.
Additional preview pages of the UC3843B datasheet.

Product details

Description

The UTC UC3842B/3843B are specifically designed for off-line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components.

Features

S.
Trimmed oscillator for precise frequency control.
Oscillator frequency guaranteed at 250kHz.
Current mode operation to 500kHz.
Automatic feed forward compensation.
Latching PWM for cycle-by-cycle current limiting.
Internally trimmed reference with undervoltage lockout.
High current totem pole output.
Undervoltage lockout with hysteresis.
Low startup and operating current.

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Other Datasheets by UTC

UC3843A - CURRENT MODE PWM CONTROLLER
UC3843A-Q - PWM CONTROLLER
UC3842A - CURRENT MODE PWM CONTROLLER
UC3842B - CONTROLLERS
UC3844 - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
UC3845 - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS

Published: Apr 13, 2007 |