UPSRB03 Datasheet (UTC) - HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR

UPSRB03, HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR

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.

Device operations

UPSRB03 Features

* including Cycle-by-cycle current limiting, output over voltage protection, VDD over voltage protection, feedback loop open protection, short circuit protection, leading edge blanking, VDD under voltage lockout, etc.

* FEATURES

* Multi-Mode control for cancel audio noise

* ±5% constant