TPS23750
TPS23770
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SLVS590A–JULY 2005–REVISED AUGUST 2005
TYPICAL CHARACTERISTICS (continued)
TMR SOURCE/SINK CURRENT
CONVERTER CURRENT LIMIT
RSP SOURCE CURRENT
vs
JUNCTION TEMPERATURE
RATIO
THRESHOLD (VRSP
vs
)
vs
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
10.08
504
5.0
4.8
10.06
503
4.6
10.04
10.02
10.00
502
4.4
4.2
501
500
499
4.0
9.98
3.8
9.96
3.6
3.4
3.2
3.0
9.94
498
9.92
497
9.90
-40 -20
0
20 40
60 80 100 120 140
-40 -20
0
20 40
60 80 100 120 140
-40 -20
0
20 40
60 80 100 120 140
o
- Junction Temperature - C
o
- Junction Temperature - C
o
- Junction Temperature - C
T
J
T
J
T
J
Figure 12.
Figure 13.
Figure 14.
GATE OUTPUT RESISTANCE
vs
JUNCTION TEMPERATURE
GATE PEAK DRIVE CURRENT
vs
JUNCTION TEMPERATURE
SENP SINKING CURRENT
vs
JUNCTION TEMPERATURE
1.3
29
20
18
1.2
27
16
1.1
GATE = High
Sink
14
25
23
21
1.0
12
0.9
10
8
0.8
0.7
6
Source
GATE = Low
0.6
4
19
2
0.5
17
0
0.4
-40 -20
0
20 40
60 80 100 120 140
-40 -20
0
20 40
60 80 100 120 140
-40 -20
0
20 40
60 80 100 120 140
o
- Junction Temperature - C
o
- Junction Temperature - C
o
- Junction Temperature - C
T
J
T
J
T
J
Figure 15.
Figure 16.
Figure 17.
SEN SINKING CURRENT
vs
JUNCTION TEMPERATURE
(SENP - SEN) REGULATION
TRANSLATOR OUTPUT
VOLTAGE
vs
RESISTANCE
vs
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
1.490
1.489
1.488
19
150
140
130
18
17
1.487
1.486
1.485
120
110
100
16
15
14
13
90
1.484
12
11
10
1.483
80
Small Signal Series Resistance
70
1.482
60
1.481
-40 -20
0
20 40
60 80 100 120 140
-40 -20
0
20 40
60 80 100 120 140
-40 -20
0
20 40
60 80 100 120 140
o
- Junction Temperature - C
o
o
- Junction Temperature - C
T
J
T
J
- Junction Temperature -
C
T
J
Figure 18.
Figure 19.
Figure 20.
13
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