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UC3843A

Part Number	UC3843A
Manufacturer	UTC
Description	CURRENT MODE PWM CONTROLLER
Published	Apr 19, 2020
Detailed Description	UNISONIC TECHNOLOGIES CO., LTD UC3842A/3843A LINEAR INTEGRATED CIRCUIT HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS ...
Datasheet	UC3843A PDF File

Overview

UNISONIC TECHNOLOGIES CO.
, LTD UC3842A/3843A LINEAR INTEGRATED CIRCUIT HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS  DESCRIPTION The UTC UC3842A/3843A are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC to DC converter applications with minimal external parts count.
The differences between UC3842A and UC3843A are the under-voltage lockout thresholds.
The UC3842A ideally suited to off-line applications with UVLO thresholds of 16V(ON) and 10V(OFF), and UC3843A has UVLO thresholds of 8.
4V(ON) and 7.
6V(OFF) for lower voltage applications.
 FEATURES * Operation output switching frequency up to 500 kHz * Automatic feed forward compen...

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