TLC59291_16 Datasheet, PDF (21/46 Pages) Texas Instruments – 8/16-Channel, Constant Current LED Driver

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6.8 Typical Characteristics
At T_A = 25°C, unless otherwise noted.
100
66.0
33.0
10
1
0
13.2
6.60
4.40
3.30
2.64 _{2.20 1.89 1.65 1.47}
1.32
10
20
30
40
50
I_OLCMax (V)
Figure 14. Reference Resistor vs Output Current
46
45
44
43
42
41
40
39
38
0
0.5
V_CC = 3.3 V
V_OUTn = 0.8 V
1.0
1.5
2.0
Output Voltage (V)
BC = 7Fh
T_A = -40°C
T_A = +25°C
T_A = +85°C
2.5
3.0
R_IREF = 1.58 kΩ
Figure 16. OUTn Current vs Output Voltage
56
55
54
53
52
51
50
49
48
0
0.5
V_CC = 5 V
V_OUTn = 1 V
1.0
1.5
2.0
Output Voltage (V)
BC = 7Fh
T_A = -40°C
T_A = +25°C
T_A = +85°C
2.5
3.0
R_IREF = 1.28 kΩ
Figure 18. OUTn Current vs Output Voltage
TLC59291
SLVSA96A – SEPTEMBER 2015 – REVISED MARCH 2016
60
50
I_OLCMax = 40 mA
40
I_OLCMax = 30 mA
30
I_OLCMax = 20 mA
20
I_OLCMax = 2 mA
I_OLCMax = 10 mA
10
I_OLCMax = 1 mA
I_OLCMax = 5 mA
0
0
0.5
V_CC = 3.3 V
1.0
1.5
2.0
Output Voltage (V)
BC = 7Fh
2.5
3.0
V_OUTn = 0.8 V
Figure 15. OUTn Current vs Output Voltage
60
50
I_OLCMax = 50 mA
I_OLCMax = 40 mA
40
I_OLCMax = 30 mA
30
I_OLCMax = 20 mA
20
I_OLCMax = 2 mA
I_OLCMax = 10 mA
10
I_OLCMax = 1 mA
I_OLCMax = 5 mA
0
0
0.5
V_CC = 5 V
50 mA = 1 V
1.0
1.5
2.0
Output Voltage (V)
BC = 7Fh
2.5
3.0
V_OUTn = 0.8 V
Figure 17. OUTn Current vs Output Voltage
3
2
1
0
-1
-2
-3
0
10
BC = 7Fh
20
30
Output Current (mA)
V_OUTn = 0.8 V
V_CC = 3.3 V
V_CC = 5 V
40
50
50 mA = 1 V
Figure 19. Constant-Current Error
vs Output CurrenT set by R_IREF or BC Data (Channel-to-
Channel)
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