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USR1652

UTC
Part Number USR1652
Manufacturer UTC
Description PRIMARY-SIDE REGULATION PWM POWER SWITCH
Published Apr 21, 2020
Detailed Description UNISONIC TECHNOLOGIES CO., LTD USR1652 Preliminary PRIMARY-SIDE REGULATION PWM POWER SWITCH CMOS IC  DESCRIPTION T...
Datasheet PDF File USR1652 PDF File

USR1652
USR1652

Overview
UNISONIC TECHNOLOGIES CO.
, LTD USR1652 Preliminary PRIMARY-SIDE REGULATION PWM POWER SWITCH CMOS IC  DESCRIPTION The UTC USR1652 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 USR1652 operates in primary-side sensing and regulation.
Opto-coupler and TL431 could be eliminated.
It operates in fixed frequency mode at large load conditions, frequency reduction mode at light/medium load and ‘Extended burst mode’ at No/light load conditions.
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