TPS7510X_16 Datasheet, PDF (8/22 Pages) Texas Instruments – Low Dropout, Two-Bank LED Driver with PWM Brightness Control

TPS7510x
SBVS080I – SEPTEMBER 2006 – REVISED NOVEMBER 2013
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Over operating junction temperature range (T_J = –40°C to +85°C), V_IN = 3.8V, DxA and DxB = 3.3V, R_SET = 32.4kΩ, and ENA
and ENB = high, unless otherwise noted. Typical values are at T_A = +25°C.
OUTPUT CURRENT vs R_SET
28
OUTPUT CURRENT vs R_SET
28
26
Expanded Range
26
24
24
22
22
20
20
18
18
16
16
14
14
12
12
10
10
8
8
6
6
4
4
2
2
0
0
20 60 100 140 180 220 260 300 340 380 420 460 500
20 30 40 50 60 70 80 90 100
R_SET (kW)
Figure 7.
R_SET (kW)
Figure 8.
GROUND CURRENT vs INPUT VOLTAGE
180
175
170
+85°C
165
+25°C
160
-40°C
155
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V_IN (V)
Figure 9.
TPS75105 OUTPUT CURRENT vs INPUT VOLTAGE
R_SET = Open
5.4
5.3
5.2
-40°C
+25°C
5.1
5.0
+85°C
4.9
4.8
4.7
4.6
3.4
3.9
4.4
4.9
5.4
5.9
V_IN (V)
Figure 10.
TPS75105 OUTPUT CURRENT vs TEMPERATURE
R_SET = Open
5.4
5.3
I_OUT D2B
I_OUT D1B
5.2
5.1
5.0
I_OUT D2A
4.9
I_OUT D1A
4.8
4.7
4.6
-40 -20
0
20
40
60
Temperature (°C)
Figure 11.
80 85
20
18
16
14
12
10
8
6
4
2
0
0
OUTPUT CURRENT vs OUTPUT VOLTAGE
+85°C
+25°C
-40°C
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
V_OUT (V)
Figure 12.
8
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