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UPSR100 Datasheet High Precision Cc/cv Primary Side Regulator

Manufacturer: Unisonic Technologies

Overview: UNISONIC TECHNOLOGIES CO., LTD UPSR100 Preliminary HIGH PRECISION CC/CV PRIMARY SIDE REGULATOR CMOS IC.

General Description

The UTC UPSR100 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.

Key Features

  • S.
  • ±5% constant voltage regulation at universal AC input.
  • High precision constant current regulation at universal AC input.
  • Primary side control without TL431 and opto-coupler.
  • Programmable CV and CC regulation.
  • Eliminates control loop compensation circuitry.
  • Flyback topology in DCM operation.
  • Random frequency modulation to reduce system EMI.

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More Datasheets from Unisonic Technologies

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UPSRB01A HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR
UPSRB01B HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR
UPSRB02 HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR