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UPSR104

Part Number	UPSR104
Manufacturer	UTC
Description	HIGH PRECISION CC/CV PRIMARY-SIDE PWM CONTROLLER
Published	Mar 4, 2017
Detailed Description	UNISONIC TECHNOLOGIES CO., LTD UPSR104 Preliminary HIGH PRECISION CC/CV PRIMARY-SIDE PWM CONTROLLER  DESCRIPTION Th...
Datasheet	UPSR104 PDF File

Overview

UNISONIC TECHNOLOGIES CO.
, LTD UPSR104 Preliminary HIGH PRECISION CC/CV PRIMARY-SIDE PWM CONTROLLER  DESCRIPTION The UTC UPSR104 is a primary controller mode charger and adapter applications.
The controlled variable is transferred by an auxiliary winding from the secondary to the primary side.
The device integrates PWM controller to enhance the performance of discontinuous conduction mode (DCM) flyback converters.
The UTC UPSR104 operates in primary-side sensing and regulation.
Opto-coupler and TL431 could be eliminated.
It also provides off-time modulation to linearly decrease PWM frequency under light-load conditions so that low standby power can be achieved.
The UTC UPSR104 achieves ...

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