Datasheet

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
SLUS536C − AUGUST 2002 − REVISED AUGUST 2004
www.ti.com
10
TYPICAL CHARACTERISTICS
Figure 9. Fault Retry Operation (TPS2393)
t − Time − 50 ms / div
I
LOAD
(1 A/div)
V
DRAIN
(50 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)
PG (50 V/div)
Figure 10. Fault Recovery (Large Scale View)
t − Time − 50 ms / div
I
LOAD
(1 A/div)
V
DRAIN
(50 V/div)
FLTTIME (2 V/div)
C
IRAMP
= 3900 pF
C
FLT
= 0.047 µF
C
LOAD
= 100 µF
FAULT (50 V/div)
PG (50 V/div)
Figure 11. Fault Recovery − Expanded View
t − Time − 1 ms / div
C
IRAMP
= 3900 pF
C
FLT
= 0.047 µF
C
LOAD
= 100 µF
I
LOAD
(1 A/div)
V
DRAIN
(50 V/div)
FAULT (50 V/div)
PG (50 V/div)
FLTTIME (2 V/div)
TPS2393 ONLY
Figure 12. PG Output Timing, Voltage Qualified
t − Time − 1 ms / div
C
IRAMP
= 3900 pF
C
LOAD
= 220 µF
IRAMP (2 V/div)
V
DRAIN
(20 V/div)
PG (50 V/div)