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PT4207 - Universal High Brightness LED Driver

Datasheet Summary

Description

PT4207 is an AC/DC buck constant current driver for high power LED lighting applications.

The IC uses a constant off-time control scheme.

Both off time and peak LED current is externally programmed.

Features

  • Support 20VDC-450VDC input range.

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Datasheet preview – PT4207

Datasheet Details

Part number PT4207
Manufacturer PowTech
File Size 218.03 KB
Description Universal High Brightness LED Driver
Datasheet download datasheet PT4207 Datasheet
Additional preview pages of the PT4207 datasheet.

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Full PDF Text Transcription

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PT4207 Universal High Brightness LED Driver GENERAL DESCRIPTION PT4207 is an AC/DC buck constant current driver for high power LED lighting applications. The IC uses a constant off-time control scheme. Both off time and peak LED current is externally programmed. The operating duty cycle can be as wide as 100% and it can power LED load from a 20V-450V power supply. The peak LED current compensation makes sure the LED current is stable within the overall input range. The PT4207 integrates a 350mA low side switch. Besides, it provides EXT pin to drive external low side power switch to extend current capacity. The dedicated DIM input can accept either a 0.5V-2.5V analog dim signal or a PWM dim signal.
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