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參數(shù)資料
| 型號(hào)： | 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(kāi)關(guān)過(guò) |
| 文件頁(yè)數(shù)： | 6/19頁(yè) |
| 文件大?。?/td> | 202K |
| 代理商： | SP791EP |
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SP791DS/08 SP791 Low Power Microprocessor Supervisory with Battery Switch-Over
Copyright 2000 Sipex Corporation
6
-60 -30 0 30
60 90 120 150
Temperature Deg. C
V
Supply Current vs.
Temperature (Normal Mode)
Battery Supply Current vs.
Temperature (Backup Mode)
Chip Enable On
Resistance vs. Temperature
V
to V
ON
Resistance vs. Temperature
V
to V
On
Resistance vs. Temperature
PFI Threshold
vs. Temperature
Reset Threshold
vs. Temperature
Reset Output Resistance
vs. Temperature
Reset Delay
vs. Temperature
57
53
49
45
41
37
33
29
25
-60 -30 0 30
60 90 120 150
V
C
μ
A
Temperature Deg. C
2.9
2.4
1.9
1.4
0.9
0.4
-0.1
V
B
μ
A
-60
Temperature Deg. C
-40 -20
0 20 40 60 80 100120140
120
110
100
90
80
70
60
50
40
R
-60 -30 0 30 60 90 120 150 180
Temperature Deg. C
15
10
5
0
-60 -30 0 30
R
60 90 120 150
Temperature Deg. C
0.9
0.8
0.7
0.6
0.5
0.4
0.3
R
-60 -30 0 30
60 90 120 150
Temperature Deg. C
1.256
1.254
1.252
1.250
1.248
1.246
P
4.70
4.69
4.68
4.67
4.66
4.65
4.64
4.63
4.62
4.61
4.60
R
-60 -30 0 30
60 90 120 150
Temperature Deg. C
600
500
400
300
200
100
0
-60 -30 0 30
R
60 90 120 150
Temperature Deg. C
212
210
208
206
204
202
200
R
-60 -30 0 30
60 90 120 150
Temperature Deg. C
V
CC
=5V
V
BATT
=2.8V
V
CC
=0V
V
BATT
=2.8V
V
CC
=4.75V
V
=2.8V
CE IN=V
CC
/2
V
BATT
=2.8V
V
BATT
=4.5V
V
CC
=5V
V
BATT
=0V
V
CC
=5V
V
=0
NO LOAD ON PFO
V
=0V
Power Down
V
=5V,V
=2.8V
Soucing Current
V
CC
=0V to 5V Step,
V
BATT
=2.8V
TYPICAL CHARACTERISTICS
(25
o
C, unless otherwise noted)
V
CC
=0V,V
=2.8V
Sink Current
V
CC
=0V V
BATT
=2V
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