X5083
RESET Output Timing
SYMBOL
PARAMETER
MIN
TYP
MAX
UNIT
VTRIP
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
4.63
4.38
2.93
2.63
4.75
4.5
3.00
2.7
V
4.25
2.85
2.55
tPURST
RPD (Note 5)
tF (Note 5)
tR (Note 5)
VRVALID
Power-up reset time out
VCC detect to reset/output
VCC fall time
100
200
280
500
ms
ns
ns
ns
V
t
0.1
0.1
1
VCC rise time
Reset valid VCC
NOTES:
5. This parameter is periodically sampled and not 100% tested.
6. PT = Package/Temperature
CS vs. RESET Timing
CS
tCST
RESET
tWDO
tRST
tWDO
tRST
RESET Output Timing
SYMBOL
PARAMETER
MIN
TYP
MAX
UNIT
tWDO
Watchdog time out period,
WD1 = 1, WD0 = 1(default)
WD1 = 1, WD0 = 0
OFF
200
600
1.4
100
450
1
300
800
2
ms
ms
sec
WD1 = 0, WD0 = 1
WD1 = 0, WD0 = 0
tCST
tRST
CS pulse width to reset the watchdog
Reset time out
400
100
ns
200
300
ms
FN8127.2
September 16, 2005
16
INTERSIL [ Intersil ]
