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UPSRB01B

Unisonic Technologies
Part Number UPSRB01B
Manufacturer Unisonic Technologies
Description HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR
Published Mar 12, 2016
Detailed Description UNISONIC TECHNOLOGIES CO., LTD UPSRB01B Preliminary LINEAR INTEGRATED CIRCUIT HIGH PRECISION CC/CV PRIMARY SIDE SWI...
Datasheet PDF File UPSRB01B PDF File

UPSRB01B
UPSRB01B

Overview
UNISONIC TECHNOLOGIES CO.
, LTD UPSRB01B Preliminary LINEAR INTEGRATED CIRCUIT HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR  DESCRIPTION The UTC UPSRB01B is a primary control unit for switch mode 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 UPSRB01B 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 UPSRB01B achieves high precision CV/CC regulation and high power efficiency.
It offers comprehensive protection coverage with auto-recovery features including Cycle-by-cycle current limiting, output over voltage protection, VDD over voltage protection, feedback loop open protection, short circuit protection, leading ed...


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