UPSR1103 Datasheet (HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR)

Part: UPSR1103
Manufacturer: Unisonic Technologies (official site)
Size: 199.02 KB

UPSR1103 Key Features

FEATURES
High voltage startup
±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
Programmable cable pensation in CV mode
Flyback topology in DCM operation
Frequency hopping to reduce system EMI
Driver MOSFET switch

Related Unisonic Technologies Datasheets

Part Number	Description
UPSR100	HIGH PRECISION CC/CV PRIMARY SIDE REGULATOR
UPSRB01	HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR
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

UPSR1103 Description

The UTC UPSR1103 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 integrates PWM controller to enhance the performance of discontinuous conduction mode (DCM) flyback converters.