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PDF DM621 Data sheet ( Hoja de datos )
| Número de pieza | DM621 | |
| Descripción | 12-CHANNELS PRE-PROGRAMMABLE CONSTANT CURRENT LED DRIVER | |
| Fabricantes | SiTi | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DM621 (archivo pdf) en la parte inferior de esta página. Total 22 Páginas | ||
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DM621
Version
: A.007
Issue Date : 2010/08/03
File Name : SP-DM621-A.007.doc
Total Pages : 22
12-CHANNELS PRE-PROGRAMMABLE
CONSTANT CURRENT LED DRIVER
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  
Equivalent Circuit of Inputs and Outputs
1. DCK, SIN terminals
VDD
INPUT
GND
2. DCKO, SOUT terminals
DM621
12-Channels Pre-programmable Constant Current LED Driver Version:A.006
未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
Page 4
5 Page 
DM621
Average Separated PWM (AS-PWM) Waveform
The DM621 incorporates a new PWM method, hence the IOUT waveform demonstrates
a very different characteristic compared to conventional PWM method. The IOUT
waveform is averagely divided into 16 sections in a whole PWM period at each PWM mode.
Furthermore, this progressive algorithm could efficiently reduce flickers and enhance the
visual refresh rate.
Figure 7. The Progressive PWM Method (1)
Figure 8. The Progressive PWM Method (2)
12-Channels Pre-programmable Constant Current LED Driver Version:A.006
未經授權而逕予重製、複製、使用或公開本文件，行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
Page 10
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet DM621.PDF ] | |
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