TLC5943_17 Datasheet, PDF (13/40 Pages) Texas Instruments – 16-Channel, 16-Bit PWM LED Driver with 7-Bit Global Brightness Control

TLC5943
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TYPICAL CHARACTERISTICS
At V_CC = 3.3 V and T_A = +25°C, unless otherwise noted.
SBVS101 – DECEMBER 2007
10000
REFERENCE RESISTOR vs
OUTPUT CURRENT
9840
4920
4000
3000
POWER DISSIPATION RATE
vs FREE-AIR TEMPERATURE
TLC5943RHB
TLC5943PWP
PowerPAD Soldered
3280
2460
1000
0
1968
1640
1406
1093
1230
984
10
20
30
40
50
Output Current (mA)
Figure 14.
60
T_A = +25°C
BC = 7Fh
50
40
30
20
10
0
0
0.5
OUTPUT CURRENT vs
OUTPUT VOLTAGE
I_O = 50 mA
I_O = 40 mA
I_O = 30 mA
I_O = 20 mA
I_O = 10 mA
I_O = 5 mA
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 16.
ΔI_OLC vs
AMBIENT TEMPERATURE
5
I_O = 50 mA
4 _{BC = 7Fh}
3
2
1
0
-1
-2
-3
-4
-5
-40 -20
V_CC = 3.3 V
V_CC = 5 V
0
20
40
60
80 100
Ambient Temperature (°C)
Figure 18.
2000
TLC5943PWP
PowerPAD Not Soldered
1000
0
-40 -20
0
20
40
60
Free-Air Temperature (°C)
Figure 15.
80 100
55
I_O = 50 mA
54 _{BC = 7Fh}
53
52
51
50
49
48
47
46
45
0
0.5
OUTPUT CURRENT vs
OUTPUT VOLTAGE
T_A = +85°C
T_A = -40°C
T_A = +25°C
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 17.
5
T_A = +25°C
4 _{BC = 7Fh}
3
ΔI_OLC vs
OUTPUT CURRENT
2
1
0
-1
-2
-3
-4
-5
0
V_CC = 3.3 V
V_CC = 5 V
10
20
30
40
50
Output Current (mA)
Figure 19.
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