TLC5928_1 Datasheet, PDF (11/28 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with LED Open Detection

TLC5928
www.ti.com...................................................................................................................................................... SBVS120B – JULY 2008 – REVISED OCTOBER 2008
TYPICAL CHARACTERISTICS
At V_CC = 3.3 V and T_A = +25°C, unless otherwise noted.
100000
REFERENCE RESISTOR
vs OUTPUT CURRENT
4000
POWER DISSIPATION RATE
vs FREE-AIR TEMPERATURE
TLC5928PWP
25200
10000
1000
0
10080
5040
3360
2520
2016
1680
1440
5
10
15
20
25
30
Output Current (mA)
Figure 10.
40
T_A
=
+25 C
°
35
30
OUTPUT CURRENT vs
OUTPUT VOLTAGE
I_O = 35 mA
I_O = 30 mA
25
I_O = 20 mA
20
15
10
I_O = 2 mA
5
I_O = 10 mA
I_O = 5 mA
0
0
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 12.
ΔI_OLC vs AMBIENT TEMPERATURE
4
I_O = 35 mA
3
2
1
0
1
-
2
-
3
-
4
-
40 20
-
-
V_CC = 3.3 V
V_CC = 5 V
0
20 40 60
Ambient Temperature ( C)
°
Figure 14.
80 100
3000
TLC5928RGE
2000
TLC5928DBQ
1000
TLC5928PW
0
40
20
0
-
-
20
40
60
80 100
Free-Air Temperature ( C)
°
Figure 11.
40
I_O = 30 mA
39
OUTPUT CURRENT vs
OUTPUT VOLTAGE
38
37
36
35
34
33
32
31
30
0
T_A
=
40 C
-°
T_A
=
+25 C
°
T_A
=
+85 C
°
0.5
1.0
1.5
2.0
2.5
3.0
Output Voltage (V)
Figure 13.
ΔI_OLC vs OUTPUT CURRENT
4
T_A
=
+25 C
°
3
2
1
0
1
-
2
-
3
-
4
-
0
V_CC = 3.3 V
V_CC = 5 V
10
20
30
40
Output Current (mA)
Figure 15.
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TLC5928
Submit Documentation Feedback
11