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UPSRB03 Datasheet High Precision Cc/cv Primary Side Switching Regulator

Manufacturer: Unisonic Technologies

Overview: UNISONIC TECHNOLOGIES CO., LTD UPSRB03 Preliminary LINEAR INTEGRATED CIRCUIT HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR.

General Description

The UTC UPSRB03 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 multi-mode operations to achieve high performance and high efficiency.

Key Features

  • S.
  • Multi-Mode control for cancel audio noise.
  • ±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.
  • Driver BJT switch.
  • Built-in Line CC compensation.
  • Built-in leading edge blanking.
  • Driver soft start.

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UPSRB03 Distributor