TLC59283 Datasheet, PDF (12/25 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with Pre-Charge FET

TLC59283
SBVS199A – JUNE 2012 – REVISED JUNE 2012
www.ti.com
TYPICAL CHARACTERISTICS
At T_A = +25°C and V_CC = 3.3 V, unless otherwise noted.
REFERENCE RESISTOR
vs OUTPUT CURRENT
100
26.5
10
1
0
10.6
5.29
3.53
2.65
2.12
1.76
1.51
1.32
1.18
10
20
30
40
50
Output Current (mA)
G020
Figure 12.
OUTPUT CURRENT vs
OUTPUT VOLTAGE (VCC = 3.3 V)
50
45
VCC = 3.3 V
V_OUTn = 0.8 V
40 TA = +25°C
I_O = 35 mA
I_O = 30 mA
I_O = 20 mA
I_O = 10 mA
I_O = 5 mA
I_O = 2 mA
35
30
25
20
15
10
5
0
0
0.5
1
1.5
2
2.5
3
Output Voltage (V)
G000
Figure 13.
OUTPUT CURRENT vs
OUTPUT VOLTAGE (VCC = 5.0 V)
55
50
VCC = 5.0 V, V_OUTn = 0.8 V, T_A = +25°C
I_O = 45 mA
45
40
I_O = 40 mA
35
I_O = 35 mA
30
I_O = 30 mA
25
I_O = 20 mA
20
15
I_O = 10 mA
10
5
I_O = 5 mA
0
I_O = 2 mA
0
0.5
1
1.5
2
2.5
3
Output Voltage (V)
G001
Figure 14.
OUTPUT CURRENT vs OUTPUT VOLTAGE
(VCC = 3.3 V, Magnified)
39
VCC = 3.3 V
38 V_OUTn = 0.8 V
I_O = 35 mA
37
36
35
34
33
32
31
0
0.5
1
Output Voltage (V)
Figure 15.
T_A = −40°C
T_A = +25°C
T_A = +85°C
1.5
G004
OUTPUT CURRENT vs OUTPUT VOLTAGE
(VCC = 5.0 V, Magnified)
39
VCC = 5.0 V
38 V_OUTn = 0.8 V
I_O = 35 mA
37
36
35
34
33
32
31
0
0.5
1
Output Voltage (V)
Figure 16.
T_A = −40°C
T_A = +25°C
T_A = +85°C
1.5
G005
ΔI_OLC vs AMBIENT TEMPERATURE
3
V_OUTn = 0.8 V
2 ^{IO = 20 mA}
1
0
−1
−2
−3
−40 −20
VCC = 3.3 V
VCC = 5.0 V
0
20
40
60
Ambient Temperature (°C)
Figure 17.
80 100
G006
12
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