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Número de pieza | ST2221C | |
Descripción | 16 BIT CONSTANT CURRENT LED DRIVERS | |
Fabricantes | ETC | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de ST2221C (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
No Preview Available ! ST2221C
Version
: A.004
Issue Date : 2002/06/14
File Name : SP-ST2221C-A.004.doc
Total Pages : 17
16-Bit Constant Current LED Drivers
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
SILICON TOUCH TECHNOLOGY INC.
Equivalent Circuit of Inputs and Outputs
1. ENABLE terminal
VDD
RIN(up)
2. LATCH terminal
VDD
ENABLE
GND
LATCH
GND
RIN(DOWN)
3. CLOCK, SERIAL-IN terminal
VDD
4. SERIAL-OUT terminal
VDD
CLOCK,
SERIAL-IN
GND
15th LATCH DATA
GND
ST2221C
SERIAL-OUT
16-Bit Constant Current LED Drivers
-4-
Version:A.004
5 Page 點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
ST2221C
Iout-Duty Cycle (SSOP)
90
80 Vo=0.45(V)
Vo=0.70(V)
70
Vo=0.95(V)
60
50
40
30
20
Vdd=5V
10 Tj=140°C (Max)
16bit Active
0 Ta=25°C
0 20 40 60 80 100
Duty Cycle (%)
Iout - Duty Cycle (SSOP)
90
80 Vo=0.45(V)
70
60 Vo=0.7(V)
50 Vo=0.95(V)
40
30
20 Vdd=5V
10 Tj=140°C (Max)
16bit Active
Ta=60°C
0
0 20 40 60 80 100
Duty Cycle (%)
Iout - Duty Cycle (SSOP)
90
80 Vo=0.45(V)
70
60 Vo=0.7(V)
50 Vo=0.95(V)
40
30
20
Vdd=5V
10 Tj=140°C (Max)
16bit Active
Ta=85°C
0
0 20 40 60 80 100
Duty Cycle (%)
100
90
80
70
60
50
40
30
20
10
0
100
Iout-Rext
Iout={ Vref(V)/Rext(ohm) }*13.79
Vo=0.7(V)
1000
Rext (Ω)
10000
16-Bit Constant Current LED Drivers
- 10 -
Version:A.004
11 Page |
Páginas | Total 17 Páginas | |
PDF Descargar | [ Datasheet ST2221C.PDF ] |
Número de pieza | Descripción | Fabricantes |
ST2221A | 8-Bit CONSTANT CURRENT LED DRIVERS | SiTI |
ST2221C | 16-Bit Constant Current LED Drivers | SiTI |
ST2221C | 16 BIT CONSTANT CURRENT LED DRIVERS | ETC |
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