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DM634 参数 Datasheet PDF下载

DM634图片预览
型号: DM634
PDF下载: 下载PDF文件 查看货源
内容描述: 16通道恒流LED驱动器,具有可编程PWM输出 [16-CHANNEL CONSTANT CURRENT LED DRIVER WITH PROGRAMMABLE PWM OUTPUTS]
分类和应用: 驱动器输出元件
文件页数/大小: 25 页 / 581 K
品牌: SITI [ SILICON TOUCH TECHNOLOGY INC. ]
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點晶科技股份有限公司  
SILICON TOUCH TECHNOLOGY INC.  
新竹市科學園區展業一9號71  
9-7F-1, Prosperity Road, Hsin-Chu, Taiwan, R.O.C.  
DM634  
Tel886-3-5645656  
Fax886-3-5645626  
Pin Connection  
1
2
3
4
24  
23  
22  
21  
GND  
DAI  
VCC  
REXT  
DCK  
LAT  
DAO  
SOMODE/GCK  
OUT 15  
OUT 14  
OUT 13  
OUT 12  
OUT 11  
OUT 10  
OUT 9  
SOP24  
SSOP24  
5
20  
19  
18  
17  
16  
15  
14  
13  
OUT0  
OUT1  
OUT2  
OUT3  
OUT4  
6
7
TSSOP24E  
8
9
10  
11  
12  
OUT5  
OUT6  
OUT7  
( top view )  
OUT 8  
Pin Description  
PIN No.  
PIN NAME  
GND  
FUNCTION  
SOP24/SSOP24/TSSOP24E: 1  
TSSOP24E: exposed pad  
Ground terminal.  
SOP24/SSOP24/TSSOP24E: 2  
SOP24/SSOP24/TSSOP24E: 3  
DAI  
Serial data input terminal.  
Synchronous clock input terminal for serial data  
transfer. Data is sampled at the rising edge of DCK.  
DCK  
Input terminal of data strobe:  
Hmeans data on shift register goes through  
latch  
SOP24/SSOP24/TSSOP24E: 4  
LAT  
(level trigger),  
Lmeans data is latched.  
SOP24/SSOP24/TSSOP24E: 5~20  
OUT0~15 Sink constant-current outputs (open-drain).  
Serial Out Mode Selection(SOMODE) :  
H: DAO is shifted out and synchronized to  
falling edge of DCK,  
SOMODE  
/GCK  
SOP24/SSOP24/TSSOP24E: 21  
L: DAO is shifted out and synchronized to  
rising edge of DCK.  
Gray Scale Clock(GCK) : Input terminal for PWM  
operation.  
SOP24/SSOP24/TSSOP24E: 22  
SOP24/SSOP24/TSSOP24E: 23  
SOP24/SSOP24/TSSOP24E: 24  
DAO  
REXT  
VCC  
Serial data output terminal.  
External resistors connected between REXT and  
GND for output current value setting.  
Supply voltage terminal.  
16-channel 16-bit PWM Constant Current LED Driver  
Version : A.003  
Page 3  
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