TLC5941-Q1 Datasheet, PDF (9/27 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

TLC5941-Q1
www.ti.com ........................................................................................................................................................................................... SLDS165 – DECEMBER 2008
Typical Characteristics
REFERENCE RESISTOR
vs
OUTPUT CURRENT
10 k
4000
POWER DISSIPATION RATE
vs
FREE-AIR TEMPERATURE
TLC5941PWP+
3.84 k
3000
1.92 k
1.28 k
1k
0.96 k
0.79 k
0.64 k
0.55 k
0.48 k
2000
TLC5941PWP-
1000
100
0
10 20 30 40 50 60 70 80
I_O(LC) − Output Current − mA
Figure 3.
OUTPUT CURRENT
vs
OUTPUT VOLTAGE
90
T_A = 25°C,
I_O = 80 mA
80 ^VCC ^{= 3.3 V}
70
I_O = 60 mA
60
50
I_O = 40 mA
40
30
I_O = 20 mA
20
10
I_O = 5 mA
0
0
0.5
1
1.5
2
2.5
3
V_O - Output Voltage - V
Figure 5.
0
–40 –20 0
20 40 60 80
T_A – Free-Air Temperature – °C
Figure 4.
OUTPUT CURRENT
vs
OUTPUT VOLTAGE
65
64 ^{IO = 60 mA,}
V_CC = 3.3 V
63
T_A = 85°C
62
T_A = 25°C
61
60
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 6.
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