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PT4204 - Primary Side CC Regulator

Datasheet Summary

Description

PT4204 is targeted to sub-5W LED lighting applications.

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

A 600V power switch is integrated into PT4204 witch is helpful for reducing the circuit board dimension and system total cost.

Features

  • z z z z z z z z z CC Control Without Secondary Feed back Compensates transformer Inductor Variation Built in 600V power switch 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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Datasheet preview – PT4204

Datasheet Details

Part number PT4204
Manufacturer PowTech
File Size 409.24 KB
Description Primary Side CC Regulator
Datasheet download datasheet PT4204 Datasheet
Additional preview pages of the PT4204 datasheet.

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Full PDF Text Transcription

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PT4204 Primary Side CC Regulator for LED driver DESCRIPTION： PT4204 is targeted to sub-5W LED lighting applications. It is designed for the flyback topology, and regulates output current without the secondary feedback loop. A 600V power switch is integrated into PT4204 witch is helpful for reducing the circuit board dimension and system total cost. Accurate CC (constant current) regulation can be achieved with built in compensation circuitry. Integrated line and primary inductance compensation ensures output current free of line voltage and primary inductance variations.
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