DM114 データシートの表示（PDF） - Silicon Touch Technology Inc.
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DM114 Datasheet PDF : 17 Pages
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點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
Output Current vs. External Resistor
DM114、DM115
DM114
DM115
90
80
70
60
50
40
30
20
10
0
0 100 200 300 400 500 600 700 800 900
Rext (Ohm)
70
60
50
40
30
20
10
0
0 200 400 600 800 1000 1200 1400 1600 1800
Rext (Ohm)
DM114: Iout ≈ 1.3V / Rext * 12
DM115: Iout ≈ 1.3V / Rext * 12.5
Output Current Performance vs. Output Voltage
DM114
DM115
100
90
80
70
60
50
40
30
20
10
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5
Vout (V)
60
55
50
45
40
35
30
25
20
15
10
5
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5
Vout (V)
Note: In order to obtain a good constant current output, a suitable output voltage is necessary. Users can get
related information about the minimum output voltage from the above graph.
8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage
Preliminary
Version:A.002
Page 10
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