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PDF DM134B Data sheet ( Hoja de datos )
| Número de pieza | DM134B | |
| Descripción | (DM134B / DM135B) 16 BIT CONSTANT CURRENT LED DRIVERS | |
| Fabricantes | Siti | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DM134B (archivo pdf) en la parte inferior de esta página. Total 19 Páginas | ||
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DM134B、DM135Bwww.DataSheet4U.com
Version : A.001
Issue Date : 2004/4/29
File Name : SP-DM134B,135B-A.001.doc
Total Pages: 18
16-Bit Constant Current LED Drivers with
3.3v ~ 5v Supply Voltage
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
1 page  
點晶科技股份有限公司
www.DataSheet4USI.LcIoCmON TOUCH TECHNOLOGY INC.
Pin Description
DM134B、DM135B
PIN No.
1
2
3
4
5~20
21
22
23
24
PIN NAME
GND
SERIAL-IN
CLOCK
LATCH
OUT0~15
ENABLE
SERIAL-OUT
R-EXT
VDD
FUNCTION
Ground terminal
Input terminal of a data shift register
Input terminal of a clock for shift register
Input terminal of data strobe
Output terminals
Input terminal of output enable (active low)
Output terminal of a data shift register
Input terminal of an external resistor
5V Supply voltage terminal
Equivalent Circuit of Inputs and Outputs
1. ENABLE terminal
VDD
RIN (up)
ENABLE
GND
2. LATCH terminal
VDD
LATCH
GND
RIN
3. CLOCK, SERIAL-IN terminal
VDD
4. SERIAL-OUT terminal
VDD
CLOCK,
SERIAL-IN
GND
GND
SERIAL-OUT
16-Bit Constant Current LED Drivers
-4-
Preliminary
Version：A.001
5 Page 
點晶科技股份有限公司
www.DataSheet4USI.LcIoCmON TOUCH TECHNOLOGY INC.
DM134B、DM135B
Output Current vs. External Resistor
DM134B
100
90
80
70
60
50
40
30
20
DM135B
0
200
400
Rext (Ohm)
600
800
70
60
50
40
30
20
10
Note:
0
0
500
1000
1500
2000
Rext (Ohm)
Conditions: Vref=1.30V
DM134B:Iout ≈ Vref / Rext * 13.1,
DM135B:Iout ≈ Vref / Rext * 13.9.
The resistor should be placed as close to the Rext terminal as possible to avoid the noise
influence.
16-Bit Constant Current LED Drivers
-10-
Preliminary
Version：A.001
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet DM134B.PDF ] | |
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