Datasheet



SLUS471D − JUNE 2002 − REVISED JANUARY 2008
7
www.ti.com
TYPICAL CHARACTERISTICS
Figure 5
TURN-ON INTO SHORTED LOAD
(TPS2391)
I
LOAD
(1 A/div.)
V
DRAIN
(50 V/div.)
FLTTIME (2 V/div.)
FAULT
(20 V/div.)
C
IRAMP
= 3900 pF
C
FLT
= 0.047 µF
t − TIme − 1 ms/div
Figure 6
I
LOAD
(1 A/div.)
V
DRAIN
(50 V/div.)
FLTTIME (2 V/div.)
FAULT
(20 V/div.)
C
IRAMP
= 3900 pF
C
FLT
= 0.047 µF
TURN-ON INTO SHORTED LOAD
(TPS2390)
t − TIme − 1 ms/div
Figure 7
FAULT RETRY OPERATION
(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
R
LOAD
= 12.5 Ω
FAULT
(50 V/div.)
t − TIme − 50 ms/div
Figure 8
RECOVERY FROM A FAULT − LARGE SCALE 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 − 50 ms/div