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