PT4227 - PowTech

PT4227 1-10W Primary Side CC Regulator

The PT4227 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 p.

Features

a complete set of integrated protection functions to protect against all fault conditions including output open/short circuit, line under-voltage, and over temperature shut down. The PT4227 is available in an DIP-8L package. FEATURES
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 CC Without Secondary Feedback Integrates 600V Power Switch Inductance Compensation Low Startup Current (<10uA) Adjustable Primary Side Current limit VCC/FB Over Voltage Protection VCC/FB UVLO Feedback Loop Open Circuit Protection Over Temperature Protection APPLICATIONS
 Sub 10W LED lighting applications ORDERING INFORMATION PACKAGE DIP-8L，Pb.