DM634 Datasheet 16-CHANNEL CONSTANT CURRENT LED DRIVER

Manufacturer: SiTi

DM634 16-channel constant current led driver by SiTi - Datasheet Preview

Datasheet Details

Part number	DM634
Manufacturer	SiTi
File Size	526.49 KB
Description	16-CHANNEL CONSTANT CURRENT LED DRIVER
Download	DM634 Download (PDF)

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.

7-bit global brightness control is included in supporting user to adjust chip current easily.

Overview

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 新竹市科學園區展業一路 9 號 7 樓之 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 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC.

Key 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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