TLC5940-EP Datasheet, PDF (13/33 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

TLC5940-EP
www.ti.com
SLVSA51D – MARCH 2010 – REVISED MAY 2010
TYPICAL CHARACTERISTICS (continued)
CONSTANT OUTPUT CURRENT, ΔI_OLC
vs
AMBIENT TEMPERATURE
8
I_O = 60 mA
6
CONSTANT OUTPUT CURRENT, ΔI_OLC
vs
OUTPUT CURRENT
8
T_A = 25°C,
6 ^V_CC ^{= 5 V}
4
4
V_CC = 3.3 V
2
2
0
0
-2
-2
-4
V_CC = 5 V
-6
-8
-40 -20 0
20 40 60 80 100
T_A - Ambient Temperature - °C
Figure 8.
-4
-6
-8
0
20
40
60
80
I_O - Output Current - mA
Figure 9.
OUTPUT CURRENT
vs
DOT CORRECTION LINEARITY (ABS VALUE)
140
T_A = 25°C,
120 ^VCC ^{= 5 V}
I_O = 120 mA
100
I_O = 80 mA
80
60
I_O = 60 mA
OUTPUT CURRENT
vs
DOT CORRECTION LINEARITY (ABS VALUE)
70
I_O = 60 mA,
60 ^VCC ^{= 5 V}
T_A = 25°C
50
T_A = 85°C
40
T_A = -40°C
30
40
I_O = 30 mA
20
I_O = 5 mA
0
0
10 20 30
40
50 60 70
Dot Correction Data - dec
Figure 10.
20
10
0
0
10 20 30 40 50 60 70
Dot Correction Data - dec
Figure 11.
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