TLC5951 Datasheet, PDF (18/46 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 (continued)
At T_A = +25°C and V_CC = 3.3 V, unless otherwise noted.
CONSTANT-CURRENT ERROR vs OUTPUT
(Channel-to-Channel, RED Color)
4
Constant Current = 13 mA to 40 mA
3 ^{Set By DCRn with High Adjustment Range}
T_A = +25°C, I_OLCMax = 40 mA
2 _{BCR = FFh}
CONSTANT-CURRENT ERROR vs OUTPUT
(Channel-to-Channel, GREEN Color)
4
Constant Current = 13 mA to 40 mA
3 ^{Set By DCGn with High Adjustment Range}
T_A = +25°C, I_OLCMax = 40 mA
2 _{BCG = FFh}
1
1
0
0
-1
-1
-2
-3
V_CC = 3.3 V
V_CC = 5 V
-4
10
15
20
25
30
35
40
Output Current (mA)
Figure 26.
-2
-3
V_CC = 3.3 V
V_CC = 5 V
-4
10
15
20
25
30
35
40
Output Current (mA)
Figure 27.
CONSTANT-CURRENT ERROR vs OUTPUT
(Channel-to-Channel, BLUE Color)
4
Constant Current = 13 mA to 40 mA
3 ^{Set By DCBn with High Adjustment Range}
T_A = +25°C, I_OLCMax = 40 mA
2 _{BCB = FFh}
1
0
-1
-2
-3
V_CC = 3.3 V
V_CC = 5 V
-4
10
15
20
25
30
35
40
Output Current (mA)
Figure 28.
CONSTANT-CURRENT ERROR vs OUTPUT
(Channel-to-Channel, RED Color)
4
Constant Current = 2 mA to 27 mA
3 ^{Set By DCRn with Low Adjustment Range}
T_A = +25°C, I_OLCMax = 40 mA
2 _{BCR = FFh}
1
0
-1
-2
-3
-4
0
V_CC = 3.3 V
V_CC = 5 V
5
10
15
20
25
30
Output Current (mA)
Figure 29.
CONSTANT-CURRENT ERROR vs OUTPUT
(Channel-to-Channel, GREEN Color)
4
Constant Current = 2 mA to 27 mA
3 ^{Set By DCGn with Low Adjustment Range}
T_A = +25°C, I_OLCMax = 40 mA
2 _{BCG = FFh}
1
0
-1
-2
-3
-4
0
V_CC = 3.3 V
V_CC = 5 V
5
10
15
20
25
30
Output Current (mA)
Figure 30.
CONSTANT-CURRENT ERROR vs OUTPUT
(Channel-to-Channel, BLUE Color)
4
Constant Current = 2 mA to 27 mA
3 ^{Set By DCBn with Low Adjustment Range}
T_A = +25°C, I_OLCMax = 40 mA
2 _{BCB = FFh}
1
0
-1
-2
-3
-4
0
V_CC = 3.3 V
V_CC = 5 V
5
10
15
20
25
30
Output Current (mA)
Figure 31.
18
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