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DM634 - 16-CHANNEL CONSTANT CURRENT LED DRIVER

Description

DM634 is a 16-channel constant current sink LED driver.

(65536 steps) grayscale PWM control current outputs.

supporting user to adjust chip current easily.

Features

  • z Constant-current outputs: 5mA to 90mA z 16-bit linear PWM control current output per channel z 7-bit high accuracy global brightness control z Maximum output voltage: 17V z Maximum clock frequency: 25MHz z Selectable internal/external PWM reference clock z PWM free-running capability (refresh rate ~ 275 Hz with internal oscillator ~ 18 MHz) z Build-in real-time LED open/short detection z Thermal Alarm and Shotdown.
  • Alarm : Junction Temperature >110℃ Shutdown : Junction Temperature > 1.

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Datasheet preview – DM634

Datasheet Details

Part number DM634
Manufacturer SiTi
File Size 526.49 KB
Description 16-CHANNEL CONSTANT CURRENT LED DRIVER
Datasheet download datasheet DM634 Datasheet
Additional preview pages of the DM634 datasheet.

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Full PDF Text Transcription

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DM634 Version : A.002 Issue Date : 2008/05/12 File Name : SP-DM634-A.002.doc Total Pages : 27 16-CHANNEL CONSTANT CURRENT LED DRIVER WITH PROGRAMMABLE PWM OUTPUTS 9 7 1 SILICON TOUCH TECHNOLOGY INC. 9-7F-1, Prosperity Road I, Science Based Industrial Park, Hsin-Chu, Taiwan 300, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 SILICON TOUCH TECHNOLOGY INC. 9 7 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM634 DM634 16-CHANNEL CONSTANT CURRENT LED DRIVER WITH PROGRAMMABLE PWM OUTPUTS General Description DM634 is a 16-channel constant current sink LED driver. Each channel has adjustable 16-bits (65536 steps) grayscale PWM control current outputs.
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