TLC59282_15 Datasheet, PDF (11/24 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with 4-Channel Grouped Delay

TLC59282
www.ti.com
SBVS152C – DECEMBER 2010 – REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS
At V_CC = 3.3 V and T_A = +25°C, unless otherwise noted.
100 k
REFERENCE RESISTOR
vs OUTPUT CURRENT
25245
10098
10 k
1k
0
5049
10
3366
2524
2020
1683 ₁₄₄₃ ^{1262 1122} ₁₀₁₀
20
30
40
50
Output Current (mA)
OUTPUT CURRENT vs
OUTPUT VOLTAGE
50
45 ^{TA = +25°C}
40
35
30
I_O = 45 mA
I_O = 40 mA
I_O = 35 mA
I_O = 30 mA
25
I_O = 20 mA
20
15
10
I_O = 2 mA
5
I_O = 10 mA
I_O = 5 mA
0
0
0.5
1
1.5
2
2.5
3
Output Voltage (V)
Figure 10.
Figure 11.
OUTPUT CURRENT vs
OUTPUT VOLTAGE
40
I_O = 35 mA
39
38
37
36
35
34
33
T_A = -40°C
32
T_A = +25°C
31
T_A = +85°C
30
0
0.5
1
1.5
2
2.5
3
Output Voltage (V)
Figure 12.
ΔI_OLC vs AMBIENT TEMPERATURE
4
I_O = 35 mA
3
2
1
0
-1
-2
-3
-4
-40 -20
V_CC = 3.3 V
V_CC = 5 V
0
20
40
60
Ambient Temperature (°C)
Figure 13.
80 100
ΔI_OLC vs OUTPUT CURRENT
4
T_A = +25°C
3
2
1
0
-1
-2
-3
-4
0
V_CC = 3.3 V
V_CC = 5 V
10
20
30
40
50
Output Current (mA)
Figure 14.
CH1 (2 V/div)
CH2 (2 V/div)
CONSTANT-CURRENT OUTPUT
VOLTAGE WAVEFORM
CH1-BLANK
(30 ns)
CH2-OUT0
(BLANK = 30 ns)
CH3 (2 V/div)
I_OLC = 35 mA, T_A = +25°C
R_L = 130 W, C_L = 15 pF
V_CC = 3.3 V, V_LED = 5.5 V
CH3-OUT3
(BLANK = 30 ns)
Time (20 ns/div)
Figure 15.
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