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UC3863A

Part Number	UC3863A
Manufacturer	UTC
Description	LOW COST POWER-SAVING MODE PWM CONTROLLER
Published	Apr 21, 2020
Detailed Description	UNISONIC TECHNOLOGIES CO., LTD UC3863A LINEAR INTEGRATED CIRCUIT LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBAC...
Datasheet	UC3863A PDF File

Overview

UNISONIC TECHNOLOGIES CO.
, LTD UC3863A LINEAR INTEGRATED CIRCUIT LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS DESCRIPTION The UC3863A is a high performance current mode PWM controller ideally suited for low standby power.
The PWM switching frequency is programmable externally at normal operation.
Low VDD startup current make the power reliable on startup design and a large value resistor could be used in the startup circuit to minimize the standby power.
At no load condition, the IC operates in power-saving mode for lower standby power, decreasing frequency for Higher conversion efficiency at light load condition.
The UTC UC3863A contains protection with automatic r...

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