TLC5952 Datasheet, PDF (13/33 Pages) Texas Instruments – 24-Channel, Constant-Current LED Driver with Global Brightness Control and LED Open-Short Detection

TLC5952
www.ti.com........................................................................................................................................................................................................ SBVS129 – MAY 2009
TYPICAL CHARACTERISTICS
At T_A = +25°C and V_CC = 3.3 V, unless otherwise noted.
REFERENCE RESISTOR vs OUTPUT CURRENT
(RED and GREEN Color Group)
100
REFERENCE RESISTOR vs OUTPUT CURRENT
(BLUE Color Group)
100
24000
10
1
0
9600
4800
3200
2400
1920
1600 ₁₃₇₁
5
10
15
20
25
30
35
Output Current (mA)
Figure 10.
6000
5000
POWER DISSIPATION RATE
TLC5952DAP
PowerPAD Soldered
4000
TLC5952RHB
3000
2000
TLC5952DAP
PowerPAD Not Soldered
1000
0
-40 -20
0
20
40
60
Free-Air Temperature (°C)
Figure 12.
80 100
OUTPUT CURRENT vs OUTPUT VOLTAGE
(BLUE Color Group)
40
T_A = +25°C
35 V_CC = 3.3 V
BCB = 7Fh
30
I_O = 26.2 mA
25
20
I_O = 22.5 mA
I_O = 15 mA
15
I_O = 1.5 mA
I_O = 3.75 mA
I_O = 7.5 mA
10
5
0
0
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 14.
24000
18000
10
7200
3600
2400
1800
1374
1440
1
0
5
10
15
20
25
30
35
Output Current (mA)
Figure 11.
OUTPUT CURRENT vs OUTPUT VOLTAGE
(RED and GREEN Color Group)
40
T_A = +25°C, V_CC = 3.3 V, BCR/G = 7Fh
I_O = 35 mA
35
I_O = 30 mA
30
25
I_O = 20 mA
20
15
I_O = 10 mA
10
I_O = 2 mA
I_O = 5 mA
5
0
0
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 13.
OUTPUT CURRENT vs OUTPUT VOLTAGE
(RED and GREEN Color Group)
40
T_A = +25°C, V_CC = 5 V, BCR/G = 7Fh
I_O = 35 mA
35
I_O = 30 mA
30
25
I_O = 20 mA
20
15
I_O = 10 mA
10
I_O = 2 mA
I_O = 5 mA
5
0
0
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 15.
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): TLC5952
Submit Documentation Feedback
13