PT4203 - Primary Side CC Regulator

Product Overview

PowTech

Part number	PT4203
Manufacturer	PowTech
File Size	780.69 KB
Description	Primary Side CC Regulator
Datasheet	PT4203 Datasheet
Additional preview pages of the PT4203 datasheet.

PT4203 is targeted to below 10W LED lighting applications.

It is designed for the flyback topology, and regulates output current without the secondary feedback loop.

The PT4203 provide accurate CC (constant current) regulation with built in compensation circuitry.

z z z z z z z z z z CC Control Without Secondary Feed back Compensates transformer Inductor Variation Compensates Line Voltage Variation Drive NPN or DNMOS Output Over Voltage Protection Output Short Circuit Protection Feedback resistor open circuit protection Line Under Voltage Protection Cycle by Cycle Current Limit Over Temperature Protection.

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Published: Jul 18, 2014 |