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SP791EP Datasheet(PDF) 6 Page - Exar Corporation

Part # SP791EP
Description  Low Power Microprocessor Supervisory
PDF  19 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

SP791EP Datasheet(HTML) 6 Page - Exar Corporation

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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
CC Supply Current vs.
Temperature (Normal Mode)
Battery Supply Current vs.
Temperature (Backup Mode)
Chip Enable On
Resistance vs. Temperature
V
BATT to VOUT ON
Resistance vs. Temperature
V
CC to VOUT 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
Temperature Deg. C
2.9
2.4
1.9
1.4
0.9
0.4
-0.1
-60
Temperature Deg. C
-40 -20
0 20 40 60 80 100 120 140
120
110
100
90
80
70
60
50
40
-60 -30
0
30
60 90 120 150 180
Temperature Deg. C
15
10
5
0
-60
-30
0
30
60
90
120 150
Temperature Deg. C
0.9
0.8
0.7
0.6
0.5
0.4
0.3
-60
-30
0
30
60
90
120 150
Temperature Deg. C
1.256
1.254
1.252
1.250
1.248
1.246
4.70
4.69
4.68
4.67
4.66
4.65
4.64
4.63
4.62
4.61
4.60
-60
-30
0
30
60
90
120 150
Temperature Deg. C
600
500
400
300
200
100
0
-60
-30
0
30
60
90
120 150
Temperature Deg. C
212
210
208
206
204
202
200
-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
BATT=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
BATT=0
NO LOAD ON PFO
V
BATT=0V
Power Down
V
CC=5V,VBATT=2.8V
Soucing Current
V
CC=0V to 5V Step,
V
BATT=2.8V
TYPICAL CHARACTERISTICS (25oC, unless otherwise noted)
V
CC=0V,VBATT=2.8V
Sink Current
V
CC=0V
V
BATT=2V



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