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UC1108

Part Number	UC1108
Manufacturer	Unisonic Technologies
Description	LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER
Published	Mar 7, 2016
Detailed Description	UNISONIC TECHNOLOGIES CO., LTD UC1108 Preliminary LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER  DESCRIPTIO...
Datasheet	UC1108 PDF File

Overview

UNISONIC TECHNOLOGIES CO.
, LTD UC1108 Preliminary LOW-POWER OFF-LINE PRIMARY SIDE REGULATION CONTROLLER  DESCRIPTION The UTC UC1108 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.
The UTC UC1108 operates in primary-side sensing and regulation.
Opto-coupler and TL431 could be eliminated.
It also eliminates the need of loop compensation circuitry while maintaining stability.
The UC1108 achieves excellent regulation and high average effi...

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