16
FN8127.4
November 12, 2015
CS vs. RESET Timing
RESET
Output Timing
SYMBOL PARAMETER MIN TYP MAX UNIT
V
TRIP
Reset trip point voltage, X5083PT-4.5A (Note 6)
Reset trip point voltage, X5083PT
Reset trip point voltage, X5083PT-2.7A
Reset trip point voltage, X5083PT-2.7
4.5
4.25
2.85
2.55
4.63
4.38
2.93
2.63
4.75
4.5
3.00
2.7
V
t
PURST
Power-up reset time out 100 200 280 ms
t
RPD
(Note 5) V
CC
detect to reset/output 500 ns
t
F
(Note 5) V
CC
fall time 0.1 ns
t
R
(Note 5) V
CC
rise time 0.1 ns
V
RVALID
Reset valid V
CC
1V
NOTES:
5. This parameter is periodically sampled and not 100% tested.
6. PT = Package/Temperature
CS
t
CST
RESET
t
WDO
t
RST
t
WDO
t
RST
RESET Output Timing
SYMBOL PARAMETER MIN TYP MAX UNIT
t
WDO
Watchdog time out period,
WD1 = 1, WD0 = 1(default)
WD1 = 1, WD0 = 0
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0
100
450
1
OFF
200
600
1.4
300
800
2
ms
ms
sec
t
CST
CS pulse width to reset the watchdog 400 ns
t
RST
Reset time out 100 200 300 ms
X5083
