Datasheet

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
SLUS471D − JUNE 2002 − REVISED JANUARY 2008
8
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TYPICAL CHARACTERISTICS
Figure 9
RECOVERY FROM A FAULT − EXPANDED VIEW
(TPS2391)
I
LOAD
(1 A/div)
V
DRAIN
(20 V/div)
FLTTIME (2 V/div.)
C
IRAMP
= 3900 pF
C
FLT
= 0.047 µF
C
LOAD
= 100 µF
FAULT
(50 V/div)
t − TIme − 1 ms/div
Figure 10
SUPPLY CURRENT
vs
AMBIENT TEMPERATURE
−40 −15 10 35 60 85
0
200
400
600
800
1000
1200
I
CC
− Supply Current − µA
T
A
− Ambient Temperature − °C
V
RTN
= 40 V
V
RTN
= 36 V
V
RTN
= 80 V
Figure 11
GATE HIGH-LEVEL OUTPUT
vs
AMBIENT TEMPERATURE
−40 −15 10 35 60 8
5
14.0
14.5
15.0
15.5
16.0
16.5
17.0
V
OH
− Output Voltage − V
T
A
− Ambient Temperature − °C
V
RTN
= 80 V
V
RTN
= 48 V
V
I(ISENS)
= 0 V
V
RTN
= 36 V
Figure 12
IRAMP OUTPUT CURRENT
vs
AMBIENT TEMPERATURE, SLOW TURN-ON
−40 −15 10 35 60 85
−066
−0.62
−0.58
−0.54
−0.50
I
SRC1
− IRAMP Output Current − µA
V
RTN
= 80 V
V
RTN
= 36 V
V
RTN
= 48 V
V
O(IRAMP)
= 0.25 V
T
A
− Ambient Temperature − °C