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USRB01A

UTC
Part Number USRB01A
Manufacturer UTC
Description HIGH PRECISION CC/CV PRIMARY SIDE SWITCH
Published Jul 26, 2022
Detailed Description UNISONIC TECHNOLOGIES CO., LTD USRB01A Preliminary LINEAR INTEGRATED CIRCUIT HIGH PRECISION CC/CV PRIMARY SIDE SWITC...
Datasheet PDF File USRB01A PDF File

USRB01A
USRB01A

Overview
UNISONIC TECHNOLOGIES CO.
, LTD USRB01A Preliminary LINEAR INTEGRATED CIRCUIT HIGH PRECISION CC/CV PRIMARY SIDE SWITCH „ DESCRIPTION The UTC USRB01A is a primary controller for charger and adapter applications.
The controlled variable is transferred by an auxiliary winding from the secondary to the primary side.
The device uses Pulse Frequency Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies.
The UTC USRB01A operates in primary-side sensing and regulation.
Opto-coupler and TL431 could be eliminated.
It also eliminates the need of loop compensation circuitry while maintaining stability.
The UTC USRB01A achieves high precision CV/CC regulation an...


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