TPS5430-Q1
www.ti.com ................................................................................................................................................... SLVS751C–NOVEMBER 2007–REVISED JULY 2009
TYPICAL CHARACTERISTICS
OSCILLATOR FREQUENCY
vs
JUNCTION TEMPERATURE
NON-SWITCHING QUIESCENT CURRENT
vs
JUNCTION TEMPERATURE
3.5
530
520
510
500
490
480
470
460
V
= 12 V
I
3.25
3
2.75
2.5
−50
−25
0
25
50
75
100
125
−50
−25
0
25
50
75
100
125
T −Junction T emperature − °C
J
T
− Junction Temperature − °C
Figure 1.
Figure 2.
SHUTDOWN QUIESCENT CURRENT
VOLTAGE REFERENCE
vs
JUNCTION TEMPERATURE
vs
INPUT VOLTAGE
1.230
25
20
15
ENA = 0 V
1.225
1.220
= 125
T
°C
J
= 27°C
T
J
J
–40°C
T
=
1.215
1.210
10
5
-50
-25
0
25
50
75
100
125
0
5
10
15
20
25
30
35
40
T
- Junction Temperature - °C
J
V
−Input V oltage −V
I
Figure 3.
Figure 4.
ON RESISTANCE
vs
JUNCTION TEMPERATURE
INTERNAL SLOW START TIME
vs
JUNCTION TEMPERATURE
9
8.5
8
180
V
= 12 V
I
170
160
150
140
130
120
110
100
7.5
7
90
80
−50
−25
0
25
50
75
− Junction Temperature − °C
100
125
−50
−25
0
25
50
75
100
125
T
J
T
−Junction Temperature − °C
J
Figure 5.
Figure 6.
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