TPS54383, TPS54386
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SLUS774B–AUGUST 2007–REVISED OCTOBER 2007
TYPICAL CHARACTERISTICS (continued)
SWITCHING NODE LEAKAGE CURRENT
MINUMUM CONTROLLABLE PULSE WIDTH
vs
vs
JUNCTION TEMPERATURE
LOAD CURRENT
400
350
5
4
3
2
1
T (°C)
A
–40
0
T
= –40°C
A
25
85
300
250
200
150
T
= 0°C
A
T
= 25°C
100
50
A
T
= 85°C
A
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
-50
-25
0
25
50
75
100
125
I
- Load Current - A
L
T
- Junction Temperature - °C
J
Figure 13.
Figure 14.
OVERCURRENT LIMIT
vs
SUPPLY VOLTAGE
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
OCL = 3.0 A
OCL = 4.5 A
OCL = 1.5 A
1.0
4
8
12
16
20
24
28
V
- Supply Voltage - V
DD
Figure 15.
8
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