TLC5951 Datasheet, PDF (16/46 Pages) Texas Instruments – 24-Channel, 12-Bit PWM LED Driver with 7-Bit Dot Correction and 3-Group, 8-Bit Global Brightness Control

TLC5951
SBVS127B – MARCH 2009 – REVISED DECEMBER 2009
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TYPICAL CHARACTERISTICS
At T_A = +25°C and V_CC = 3.3 V, unless otherwise noted.
REFERENCE RESISTOR vs OUTPUT CURRENT
POWER DISSIPATION vs TEMPERATURE
100
6000
24000
10
9600
1
0
4800
3200
2400
1920
1600
1200
1371
10
20
30
40
Maximum Output Current (mA)
Figure 14.
5000
4000
3000
TLC5951RHA
TLC5951DAP, Soldered
2000
1000
TLC5951DAP, Not Soldered
0
-40 -20
0
20
40
60
Free-Air Temperature (°C)
Figure 15.
80 100
OUTPUT CURRENT vs OUTPUT VOLTAGE
45 _{IO = 40 mA}
40
T_A = +25°C, V_CC = +3.3 V, BCX = FFh
35
DCXn = 7Fh with High Adjustment Range
30
I_O = 30 mA
25
I_O = 20 mA
20
15
I_O = 10 mA
10
I_O = 5 mA
I_O = 2 mA
5
0
0
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 16.
OUTPUT CURRENT vs OUTPUT VOLTAGE
45
44
43
42
41
40
39
38
37
36
35
0
T_A = +85°C
T_A = +25°C
T_A = -40°C
I_OLCMax = 40 mA, V_CC = +3.3 V, BCX = FFh
DCXn = 7Fh with High Adjustment Range
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 17.
OUTPUT CURRENT vs OUTPUT VOLTAGE
45 _{IO = 40 mA}
40
T_A = +25°C, V_CC = +5 V, BCX = FFh
35
DCXn = 7Fh with High Adjustment Range
30
I_O = 30 mA
25
I_O = 20 mA
20
15
I_O = 10 mA
10
I_O = 5 mA
I_O = 2 mA
5
0
0
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 18.
OUTPUT CURRENT vs OUTPUT VOLTAGE
45
44
43
42
T_A = +85°C
41
40
T_A = +25°C
39
T_A = -40°C
38
37
36
35
0
I_OLCMax = 40 mA, V_CC = +5 V, BCX = FFh
DCXn = 7Fh with High Adjustment Range
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 19.
16
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