TLC59281_1 Datasheet, PDF (11/23 Pages) Texas Instruments – 16-Channel,Constant-Current LED Driver

TLC59281
www.ti.com
SBVS139 – JANUARY 2010
100000
TYPICAL CHARACTERISTICS
At V_CC = 3.3 V and T_A = +25°C, unless otherwise noted.
REFERENCE RESISTOR
vs OUTPUT CURRENT
POWER DISSIPATION RATE
vs FREE-AIR TEMPERATURE
4000
25200
TLC59281RGE
3000
10000
1000
0
10080
5040
3360
2520
2016
1680
1440
5
10
15
20
25
30
35
Output Current (mA)
Figure 10.
2000
TLC59281DBQ
1000
0
-40 -20
0
20
40
60
Free-Air Temperature (°C)
80 100
Figure 11.
OUTPUT CURRENT vs
OUTPUT VOLTAGE
40
T_A = +25°C
35
30
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
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 12.
OUTPUT CURRENT vs
OUTPUT VOLTAGE
40
I_O = 30 mA
39
38
37
36
35
34
33
32
31
30
0
T_A = -40°C
T_A = +25°C
T_A = +85°C
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 13.
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 14.
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
Output Current (mA)
Figure 15.
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