TLC5954 Datasheet, PDF (8/45 Pages) Texas Instruments – TLC5954 48-Channel, Constant-Current LED Driver with Global Brightness Control, LED Open-Short Detection, and Power-Save Mode

TLC5954
SBVS241 – APRIL 2014
6.7 Typical Characteristics
At T_A = +25°C and VCC = 3.3 V, unless otherwise noted.
45
MC = 0
40
MC = 1
35
30
25
20
15
10
5
0
0
0.5
BCR, BCG = 7Fh
MC = 2
MC = 3
MC = 4
MC = 5
1
1.5
2
Output Voltage (V)
MC = 6
MC = 7
2.5
3
D001
Figure 1. Output Current vs Output Voltage
(OUTRn, OUTGn)
38
37
36
35
34
33
32
0 0.1 0.2
BCR = BCG = 7Fh
0.3 0.4 0.5 0.6 0.7
Output Voltage (V)
MC = 7
T_A = 25GC
T_A = 40GC
T_A = 85GC
0.8 0.9
1
D003
Figure 3. Output Current vs Output Voltage
(OUTRn, OUTGn)
3
2
1
0
-1
-2
-3
0
10
BCR = 7Fh
20
30
Output Current (mA)
MC = 7
Min
Max
40
D005
Figure 5. Constant-Current Error vs Output Current
(Channel-to-Channel, OUTRn)
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35
MC = 1
MC = 3
MC = 5
MC = 7
30
MC = 2
MC = 4
MC = 6
MC = 8
25
20
15
10
5
0
0
0.5
1
1.5
2
2.5
3
Output Voltage (V)
D002
BCB = 7Fh
Figure 2. Output Current vs Output Voltage
(OUTBn)
27
26
25
24
23
22
21
0 0.1 0.2
BCB = 7Fh
0.3 0.4 0.5 0.6 0.7
Output Voltage (V)
MC = 7
T_A = 25GC
T_A = 40GC
T_A = 85GC
0.8 0.9
1
D004
Figure 4. Output Current vs Output Voltage
(OUTBn)
3
2
1
0
-1
-2
-3
0
10
BCG = 7Fh
20
30
Output Current (mA)
MC = 7
Min
Max
40
D006
Figure 6. Constant-Current Error vs Output Current
(Channel-to-Channel, OUTGn)
8
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