UC3843B, UC3842B - CONTROLLERS

Name: UC3843B
SKU: UC3843B-577127

UTC

📥 Download Datasheet

UC3843B Datasheet Preview — This datasheet PDF includes multiple part numbers: UC3843B, UC3842B. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	UC3843B, UC3842B
Manufacturer	UTC
File Size	482.56 KB
Description	CONTROLLERS
Datasheet	UC3842B_UTC.pdf
Note	This datasheet PDF includes multiple part numbers: UC3843B, UC3842B. Please refer to the document for exact specifications by model.

UC3843B 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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Published: Apr 13, 2007 |