TLC5955 Datasheet, PDF (10/53 Pages) Texas Instruments – TLC5955 48-Channel, 16-Bit, PWM LED Driver with DC, BC, LED Open-Short Detection, and Internal Current Setting

TLC5955
SBVS237 – MARCH 2014
6.7 Typical Characteristics
At T_A = +25°C and V_CC = 5.0 V, unless otherwise noted.
40
MC = 0
35
MC = 1
MC = 2
30
MC = 3
MC = 4
25
MC = 5
MC = 6
20
MC = 7
15
10
5
0
0
0.5
1
1.5
2
2.5
3
Output Voltage (V)
C001
BCX = DCXn = 7Fh
Figure 1. Output Current vs Output Voltage
(MCX Changing)
40
BC = 0h
35
BC = 10h
BC = 20h
30
BC = 30h
BC = 40h
25
BC = 50h
BC = 60h
20
BC = 70h
BC = 7Fh
15
10
5
0
0
0.5
1
1.5
2
2.5
3
Output Voltage (V)
C003
BCX = DCXn = 7Fh
Figure 3. Output Current vs Output Voltage
(BCX Changing)
5
4
3
2
1
0
±1
±2
±3
±4
±5
0
5
BCX = DCXn = 7Fh
10
15
20
25
Output Current (mA)
V_OUTXn = 0.8 V
Max
Min
30
35
C005
Figure 5. Constant-Current Error vs Output Current
(Channel-to-Channel in Each Color Group)
www.ti.com
40
35
30
25
20
15
10
5
0
0
0.5
BCX = DCXn = 7Fh
DC = 0h
DC = 10h
DC = 20h
DC = 30h
DC = 40h
DC = 50h
DC = 60h
DC = 70h
DC = 7Fh
1
1.5
2
Output Voltage (V)
2.5
3
C002
Figure 2. Output Current vs Output Voltage
(DCXn Changing)
35
34
33
32
31
30
29
0
0.2
BCX = DCXn = 7Fh
0.4
0.6
Output Voltage (V)
TT_AA==±40ƒC
TT_AA==25°ƒCC
TT_AA==85°ƒCC
0.8
1
C004
Figure 4. Output Current vs Output Voltage (Temperature
Changing)
5
4
3
2
1
0
±1
±2
±3
±4
±5
±40 ±20
MCX = 4
0
20
40
60
Ambient Temperature (ƒC)
BCX = DCXn = 7Fh
Max
Min
80 100
C006
V_OUTXn = 0.8 V
Figure 6. Constant-Current Error vs Ambient Temperature
(Channel-to-Channel in Each Color Group)
10
Submit Documentation Feedback
Product Folder Links: TLC5955
Copyright © 2014, Texas Instruments Incorporated