TLC5940_15 Datasheet, PDF (9/38 Pages) Texas Instruments – 16-Channel LED Driver

www.ti.com
6.7 Typical Characteristics
10 k
7.68 kΩ
1.92 kΩ
1k
0.96 kΩ
0.64 kΩ
0.48 kΩ
0.38 kΩ
0.32 kΩ
100
0
20
40
60 80
100 120
I_O − Output Current − mA
Figure 1. Reference Resistor vs Output Current
140
T_A = 25°C,
120 ^{VCC = 5 V}
100
80
60
I_O = 120 mA
I_O = 100 mA
I_O = 80 mA
I_O = 60 mA
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 3. Output Current vs Output Voltage
8
I_O = 60 mA
6
4
V_CC = 3.3 V
2
0
-2
-4
V_CC = 5 V
-6
-8
-40 -20 0
20 40 60 80 100
T_A - Ambient Temperature - °C
Figure 5. Constant Output Current, ΔI_OLC
vs Ambient Temperature
TLC5940
SLVS515D – DECEMBER 2004 – REVISED NOVEMBER 2015
4k
TLC5940RHB
3k
TLC5940NT
2k
TLC5940PWP
PowerPAD Unsoldered
1k
TLC5940PWP
PowerPAD Soldered
0
-40 -20 0
20 40 60 80 100
T_A − Free-Air Temperature − ^oC
Figure 2. Power Dissipation Rate vs Free-Air Temperature
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 4. Output Current vs Output Voltage
8
T_A = 25°C,
6 V_CC = 5 V
4
2
0
-2
-4
-6
-8
0
20
40
60
80
I_O - Output Current - mA
Figure 6. Constant Output Current, ΔI_OLC
vs Output Current
Copyright © 2004–2015, Texas Instruments Incorporated
Product Folder Links: TLC5940
Submit Documentation Feedback
9