Datasheet

−50 −25 0 25 50 75 100 125
4.0
4.5
5.5
6.5
7.0
6.0
5.0
t − Time − ms
Soft−Start Delay TIme
Soft−Start TIme
T
J
− Junction Temperature − °C
V
VDD
= 12 V
−50 −25 0 25 50 75 100 125
10.2
10.4
10.6
10.8
11.0
11.2
11.4
11.6
V
VDD
= 12 V
t − Time − ms
T
J
− Junction Temperature − °C
V
IL
− Enable Threshold Off − V
V
VDD
− Input Voltage − V
4.5 6.0 7.5 9.0 10.5 12.0 13.5 15.0
1.10
1.12
1.14
1.16
1.18
1.20
T
J
= 25°C
V
IL
− Enable Threshold Off − V
T
J
− Junction Temperature − °C
−50 −25 0 25 50 75 100 125
0
0.2
0.6
1.0
1.2
1.4
0.8
0.4
V
VDD
= 12 V
TPS40190
SLUS658C –JULY 2005–REVISED JULY 2012 www.ti.com
Typical Characteristics (continued)
ENABLE THRESHOLD OFF ENABLE THRESHOLD OFF
vs vs
TEMPERATURE INPUT VOLTAGE
Figure 20. Figure 21.
SOFT START TIMING TOTAL STARTUP TIME
vs vs
TEMPERATURE TEMPERATURE
Figure 22. Figure 23.
16 Copyright © 2005–2012, Texas Instruments Incorporated