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USR3651S

Unisonic Technologies
Part Number USR3651S
Manufacturer Unisonic Technologies
Description HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH
Published Jan 31, 2016
Detailed Description UNISONIC TECHNOLOGIES CO., LTD USR3651S HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH CMOS IC  DESCRIPTION The U...
Datasheet PDF File USR3651S PDF File

USR3651S
USR3651S

Overview
UNISONIC TECHNOLOGIES CO.
, LTD USR3651S HIGH PRECISION CC/CV PRIMARY-SIDE PWM POWER SWITCH CMOS IC  DESCRIPTION The UTC USR3651S is a primary control switch 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 USR3651S 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 USR3651S achie...


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