UC1103 Datasheet HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR

Manufacturer: Unisonic Technologies

Overview: UNISONIC TECHNOLOGIES CO., LTD UC1103 Preliminary HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR CMOS IC.

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UC1103 high precision cc/cv primary side switching regulator by Unisonic Technologies - Datasheet Preview

Datasheet Details

Part number	UC1103
Manufacturer	Unisonic Technologies
File Size	231.83 KB
Description	HIGH PRECISION CC/CV PRIMARY SIDE SWITCHING REGULATOR
Download	UC1103 Download (PDF)

General Description

The UTC UC1103 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.

Key Features

S.
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 compensation in CV mode.
Flyback topology in DCM operation.
Frequency hopping to reduce system EMI.

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