sp691a Exar Corporation, sp691a Datasheet - Page 6

• Manufacturer Part Number: sp691a
• Description: Low Power Microprocessor Supervisory With Battery Switch-over
• Manufacturer: Exar Corporation

Figure 5. V
Figure 7. Reset Threshold vs. Temperature
Figure 9. Reset Delay vs. Temperature
Date: 4/18/05
0.240
0.230
0.220
0.210
0.200
0.190
0.180
4.69
4.68
4.67
4.66
4.65
4.64
4.63
4.62
4.61
4.60
0.9
0.7
0.5
0.3
-60
-60
-60
V
CC
V
BATT
-30
CC
V
-30
to V
-30
BATT
SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation
= 4.5V
= 2.8V
OUT
= 0V
0
0
0
On-Resistance vs. Temperature
Temperature (
Temperature (
Temperature (
30
30
30
V
BATT
60
V
60
60
CC
= 2.8V
o
= 5V
o
o
C)
C)
C)
90
90
90
V
V
CC
CC
Rising
Falling
120
120
120
150
150
150
TYPICAL PERFORMANCE CHARACTERISTICS
6
Figure 6. PFI Threshold vs. Temperature
Figure 8. RESET Output Resistance vs. Temperature
Figure 10. Battery Current vs. Input Supply Voltage
1.E-04
1.E-05
1.E-06
1.E-07
1.E-08
1.E-09
1.E-10
1.E-11
1.E-12
1.E-13
1.E-14
1.256
1.252
1.248
1.244
1.240
1.236
400
350
300
250
200
150
100
50
0
-60
-60
0
-30
Sourcing V
Sinking V
-30
V
V
BATT
1
CC
0
= 5V
0
Temperature (
= 0V
CC
Temperature (
CC
= 4.25V
30
= 5V
2
30
V
CC
60
(V)
60
o
C)
3
o
C)
90
V
90
BATT
120
= 2.8V
4
120
150
150
5