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UPSRB01 Datasheet High Precision Cc/cv Primary Side Switching Regulator

Manufacturer: Unisonic Technologies

Overview: UNISONIC TECHNOLOGIES CO., LTD UPSRB01 LINEAR INTEGRATED CIRCUIT HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR.

General Description

The UTC UPSRB01 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.
  • Primary side control without TL431 and opto-coupler.
  • High precision constant current regulation at universal AC input.
  • Programmable CV and CC regulation.
  • Eliminates control loop compensation circuitry.
  • Flyback topology in DCM operation.
  • Random frequency modulation to reduce system EMI.
  • Driver BJT switch.
  • Programmable cable drop compensation.
  • Built-in leading edge blanking.
  • Built-in.

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