TLC5940-EP Datasheet, PDF (12/33 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

TLC5940-EP
SLVSA51D – MARCH 2010 – REVISED MAY 2010
www.ti.com
TYPICAL CHARACTERISTICS
REFERENCE RESISTOR
vs
OUTPUT CURRENT
POWER DISSIPATION RATE
vs
FREE-AIR TEMPERATURE
10 k
7.68 kΩ
4k
TLC5940PWP
PowerPAD Soldered
TLC5940RHB
3k
1.92 kΩ
1k
0.96 kΩ
2k
0.64 kΩ
0.48 kΩ
0.38 kΩ
0.32 kΩ
TLC5940PWP
PowerPAD Unsoldered
1k
100
0
20
40
60 80
100 120
I_O − Output Current − mA
Figure 4.
OUTPUT CURRENT
vs
OUTPUT VOLTAGE
140
T_A = 25°C,
120 ^{VCC = 5 V}
100
I_O = 120 mA
I_O = 100 mA
I_O = 80 mA
80
I_O = 60 mA
60
I_O = 40 mA
40
I_O = 20 mA
20
I_O = 5 mA
0
0
0.5
1
1.5
2
2.5
3
V_O - Output Voltage - V
Figure 6.
0
-40 -20 0
20 40 60 80 100
T_A − Free-Air Temperature − ^oC
Figure 5.
OUTPUT CURRENT
vs
OUTPUT VOLTAGE
65
64
I_O = 60 mA,
V_CC = 5 V
63
T_A = 85°C
62
61
60
T_A = 25°C
T_A = -40°C
59
58
57
56
55
0
0.5
1
1.5
2
2.5
3
V_O - Output Voltage - V
Figure 7.
12
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