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16-Port, 36V Constant-Current LED Driver
Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS ON, R SET = 360 Ω )
45
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 720 Ω , V+ = 3.3V)
30
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 360 Ω , V+ = 3.3V)
60
40
T A = +85 ° C
25
T A = -40 ° C
50
T A = -40 ° C
T A = +125 ° C
35
30
20
15
T A = +25 ° C
T A = +85 ° C
40
30
T A = +25 ° C
T A = +85 ° C
25
20
T A = -40 ° C
T A = +25 ° C
10
5
T A = +125 ° C
20
10
T A = +125 ° C
15
0
0
3.0
3.5
4.0
4.5
5.0
5.5
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
SUPPLY VOLTAGE (V)
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 720 Ω , V+ = 5.0V)
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT CURRENT vs. PORT OUTPUT
VOLTAGE (R SET = 360 Ω , V+ = 5.0V)
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT CURRENT vs. SUPPLY
VOLTAGE (R SET = 720 Ω , V OUT = 2V)
30
25
T A = -40 ° C
60
50
T A = -40 ° C
25.0
24.5
T A = +85 ° C
20
15
10
T A = +25 ° C
T A = +85 ° C
T A = +125 ° C
40
30
20
T A = +25 ° C
T A = +85 ° C
T A = +125 ° C
24.0
T A = +125 ° C
T A = +25 ° C
23.5
T A = -40 ° C
5
10
0
0
23.0
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.0
3.5
4.0
4.5
5.0
5.5
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT CURRENT vs. SUPPLY
VOLTAGE (R SET = 360 Ω , V OUT = 2V)
49
PORT OUTPUT VOLTAGE (V)
50
40
SUPPLY VOLTAGE (V)
PORT OUTPUT CURRENT
vs. R SET RESISTANCE (V+ = 5.0V)
48
47
46
T A = -40 ° C
T A = +125 ° C
T A = +25 ° C
T A = +85 ° C
30
20
10
0
3.0
3.5
4.0
4.5
5.0
5.5
0
1
2
3
4
5
SUPPLY VOLTAGE (V)
R SET RESISTANCE (k Ω )
_______________________________________________________________________________________
5
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