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參數(shù)資料
| 型號： | SP791EP |
| 英文描述： | Low Power Microprocessor Supervisory with Battery Switch-Over |
| 中文描述： | 低功耗微處理器監(jiān)控與電池開關(guān)過 |
| 文件頁數(shù)： | 3/19頁 |
| 文件大?。?/td> | 202K |
| 代理商： | SP791EP |
3
SP791DS/08 SP791 Low Power Microprocessor Supervisory with Battery Switch-Over
Copyright 2000 Sipex Corporation
ELECTRICAL CHARACTERISTICS (continued)
(Vcc = 4.75V to 5.5V, V
BATT
= 2.8V, T
A
= T
MIN
to T
MAX
unless otherwise noted, typicals specified at 25
o
C)
PARAMETER
MIN
TYP
MAX
UNITS
CONDITIONS
BATT ON Output
Low Voltage
BATT ON Output
Short Circuit Current
RESET, LOW-LINE AND WATCHDOG TIMER
RESET Threshold Voltage
RESET Threshold Hysteresis
LOWLINE-to-RESET
Threshold Voltage
V
CC
-to-RESET Delay
V
CC
-to-LOWLINE Delay
RESET Active Timeout Period
Watchdog Timeout Period
Minimum Watchdog
Timeout Period
Minimum Watchdog Input
Pulse Width
WDPO Pulse Width
WDPO-to-WDO Delay
RESET Output Voltage
0.1
0.7
60
15
0.4
1.5
V
I
SINK
= 3.2mA
I
SINK
= 25mA
mA
μ
A
Sink Current
1
100
Source Current
4.50
4.65
15
150
4.75
V
mV
mV
100
80
200
1.6
10
μ
s
μ
s
ms
sec
ms
Power down
Power down
140
1.0
280
2.25
Power up
SWT connected to V
OUT
4.7nF capacitor connected from
SWT to GND
100
ns
V
IL
= 0.8V, V
IH
= 0.75 X V
CC
1
70
ms
ns
V
0.004
0.1
0.3
0.4
I
SINK
=50
μ
A,V
CC
=1.0V,V
CC
I
SINK
= 3.2 mA, V
CC
= 4.25V
I
SOURCE
= 1.6mA, V
CC
= 5V
3.5
RESET Output
Short-Circuit Current
LOWLINE Output Voltage
7
20
0.4
mA
V
Output source current
I
SINK
= 3.2mA, V
CC
= 4.25V
I
SOURCE
= 1
μ
A, V
CC
= 5V
3.5
LOWLINE Output
Short-Circuit Current
WDO Output Voltage
15
100
μ
A
Output source current
0.4
V
I
SINK
= 3.2mA
I
SOURCE
= 500
μ
A, V
CC
= 5V
3.5
WDO Output Short-Circuit
Current
WDPO Output Voltage
3
10
mA
Output source currrent
0.4
V
I
SINK
= 3.2mA
I
SOURCE
= 1mA
3.5
WDPO Output Short-Circuit
Current
7
20
mA
Output source current
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