Datasheet

1
1.05
1.1
1.15
1.2
I -PullupCurrent- A
p
m
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
V =12V,
EN=1.1V
I
1.2
1.21
1.22
1.23
1.24
EN-UVLOThreshold-V
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
V =12V
I
400
500
600
700
800
3 6 9 12 15 18
V -InputVoltage-V
I
T =150°C
J
T =25°C
J
T =-40°C
J
Non-SwitchingOperatingQuiescentCurrent- Am
2.1
2.2
2.3
2.4
2.5
I -SlowStartChargeCurrent- A
SS
m
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
0.01
0.02
0.03
0.04
0.05
V -SS/TRtoVsenseOffset-V
off
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
80
90
100
110
120
-50 -25 0 25 50 75 100 125 150
T -JunctionTemperature-°C
J
PWRGDThreshold-%ofV
ref
VSENSERising
VSENSEFalling
VSENSERising
VSENSEFalling
V =12V
I
TPS54320
SLVS982A –AUGUST 2010–REVISED SEPTEMBER 2010 www.ti.com
TYPICAL CHARACTERISTICS (continued)
EN PIN PULL-UP CURRENT
vs TEMPERATURE EN PIN UVLO THRESHOLD vs TEMPERATURE
Figure 7. Figure 8.
NON-SWITCHING OPERATING QUIESCENT CURRENT vs SLOW START CHARGE CURRENT vs
INPUT VOLTAGE TEMPERATURE
Figure 9. Figure 10.
(SS/TR - VSENSE) OFFSET vs TEMPERATURE PWRGD THRESHOLD vs TEMPERATURE
Figure 11. Figure 12.
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