15
FN8128.4
August 13, 2015
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RESET Output Timing
SYMBOL PARAMETER MIN TYP MAX UNIT
V
TRIP
Reset Trip Point Voltage, X5163-4.5A, X5163-4.5A
Reset Trip Point Voltage, X5163, X5165
Reset Trip Point Voltage, X5163-2.7A, X5165-2.7A
Reset Trip Point Voltage, X5163-2.7, X5165-2.7
4.5
4.25
2.85
2.55
4.63
4.38
2.92
2.63
4.75
4.5
3.0
2.7
V
V
TH
V
TRIP
Hysteresis (HIGH to LOW vs. LOW to HIGH V
TRIP
voltage) 20 mV
t
PURST
Power-up Reset Time Out 100 200 280 ms
t
RPD
(5)
V
CC
Detect to Reset/Output 500 ns
t
F
(5)
V
CC
Fall Time 100 µs
t
R
(5)
V
CC
Rise Time 100 µs
V
RVALID
Reset Valid V
CC
1V
NOTES:
5. This parameter is periodically sampled and not 100% tested.
6. Typical values not tested.
RESET/RESET Output Timing
SYMBOL PARAMETER MIN TYP MAX UNIT
t
WDO
Watchdog Time Out Period,
WD1 = 1, WD0 = 0
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0
100
450
1
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
CS/WDI
t
CST
RESET
t
WDO
t
RST
RESET
t
WDO
t
RST
FIGURE 12. CS/WDI VS. RESET/RESET TIMING
X5163, X5165