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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)控與電池開關過 |
| 文件頁數(shù)： | 7/19頁 |
| 文件大?。?/td> | 202K |
| 代理商： | SP791EP |
7
SP791DS/08 SP791 Low Power Microprocessor Supervisory with Battery Switch-Over
Copyright 2000 Sipex Corporation
Maximum Reset Comparator Overdrive
Without Causing a Reset
100
80
60
40
20
0
M
10 100 1000 10000
Reset Threshold Voltage - V
CC
(mV)
Watchdog Timeout
vs. Timing Capacitor
250
200
150
100
50
0
W
0 10 20 30 40 50 60 70 80 90 100
Timing Capacitor (nF)
Chip-Enable Propagation Delay
vs. CE OUT Load Capacitance
20
16
12
8
4
0
P
0 50 100 150 200 250 300
Cload (pF)
V
to V
vs.
Output Current
1000
100
10
1
V
1 10 100 1000
IOUT (mA)
VBATT to VOUT vs.
Output Current
1000
100
10
1
V
1 10 100
IOUT (mA)
IE+2
IE+1
IE+0
IE-1
IE-2
IE-3
IE-4
IE-5
IE-6
IE-7
IE-8
V
B
μ
A
.0000 5.000
V
CC
(0.5V/div)
Battery Current vs. V
CC
Voltage
V
CC
=4.5V
V
=0V
Slope=0.6
V
BATT
=4.5V
=0V
Slope=5
V
BATT
=2.8V
TYPICAL CHARACTERISTICS
(25
o
C, unless otherwise noted)
0.1
μ
F Capacitor
V
OUT
to GND
Above Line
Reset Generated
Below Line
No Reset Generated
V
CC
=5V
V
BATT
=2.8V
VCC=5V
50
Driver
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