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PT4223

Part Number	PT4223
Manufacturer	PowTech
Description	1-5W Primary Side CC Regulator
Published	Mar 24, 2014
Detailed Description	PT4223 1-5W Primary Side CC Regulator GENERAL DESCRIPTION The PT4223 is primary side constant current regulator, which i...
Datasheet	PT4223 PDF File

Overview

PT4223 1-5W Primary Side CC Regulator GENERAL DESCRIPTION The PT4223 is primary side constant current regulator, which is designed for high performance and cost-effective LED lighting applications.
With Powtech’s proprietary constant current compensation technique accurate output current regulation is achieved without the need of a secondary feedback circuitry.
Integrated primary inductance compensation circuitry provides accurate constant current operation despite variations in primary inductance.
Excellent EMI performance is achieved with frequency jittering function together with soft driving control at totem pole gate drive output.
The device integrates a high voltage power switch, an os...

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