參數(shù)資料
型號(hào): ISL88708
廠商: Intersil Corporation
英文描述: UP Supervisor with Watchdog Timer,Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset
中文描述: 與看門狗定時(shí)器,電源故障比較器,手動(dòng)復(fù)位和可調(diào)電源監(jiān)控復(fù)位,
文件頁(yè)數(shù): 5/13頁(yè)
文件大?。?/td> 518K
代理商: ISL88708
5
FN8092.0
October 18, 2005
WATCHDOG TIMER (Note 3)
t
WDT
Watchdog Time-out Period
1.0
1.6
2.0
s
t
WDPS
WDI Minimum Pulse Width
100
ns
V
IL
Watchdog Input Voltage Low
0.3 x V
DD
V
V
IH
Watchdog Input Voltage High
0.7 x V
DD
V
V
WDOL
WDO Output Voltage Low
V
DD
3.3V, Sinking 2.5mA
0.05
0.40
V
V
DD
< 3.3V, Sinking 1.5mA
0.05
0.40
V
V
WDOH
WDO Output Voltage High
V
DD
3.3V, Sourcing 2.5mA
V
DD
-0.6
V
DD
-0.4
V
V
DD
< 3.3V, Sourcing 1.5mA
V
DD
-0.6
V
DD
-0.4
V
I
WDT
Watchdog Input Current
1
μA
POWER-FAIL DETECTION
V
THPFI
PFI Input Threshold Voltage
1.20
1.25
1.30
V
PFIV
THHYST
Hysteresis Voltage
20
mV
V
PFOL
PFO Output Voltage Low
V
DD
3.3V, Sinking 2.5mA
0.05
0.40
V
V
DD
< 3.3V, Sinking 1.5mA
0.05
0.40
V
V
PFOH
PFO Output Voltage High
V
DD
3.3V, Sourcing 2.5mA
V
DD
-0.6
V
DD
-0.4
V
V
DD
< 3.3V, Sourcing 1.5mA
V
DD
-0.6
V
DD
-0.4
V
NOTES:
3. Applies to ISL88705, ISL88706, ISL88716, and ISL88813.
Electrical Specifications
Over the recommended operating conditions unless otherwise specified.
(Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Typical Performance Curves
FIGURE 1. PACKAGE POWER DISSIPATION vs AMBIENT
TEMPERATURE
FIGURE 2. PACKAGE POWER DISSIPATION vs AMBIENT
TEMPERATURE
JEDEC JESD51-3 LOW EFFECTIVE
THERMAL CONDUCTIVITY TEST BOARD
1.8
1.6
1.2
0.8
0.6
0.4
0.2
0
0
25
50
75
100
150
AMBIENT TEMPERATURE (°C)
P
85
1.25W
θ
JA
= 100°C/W
PDIP8
125
1.4
1
JEDEC JESD51-7 HIGH EFFECTIVE
THERMAL CONDUCTIVITY TEST BOARD
2
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
0
0
25
50
75
100
150
AMBIENT TEMPERATURE (°C)
P
85
1.471W
θ
JA
= 85°C/W
PDIP8
125
1
ISL88705, ISL88706, ISL88707, ISL88708, ISL88716, ISL88813
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