MAX691A/MAX693A/
MAX800L/MAX800M
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
V
CC
SUPPLY CURRENT
vs. TEMPERATURE
(NORMAL OPERATING MODE)
MAX691A toc01
Microprocessor Supervisory Circuits
MAX691A TOC-02
V
CC
SUPPLY CURRENT (µA)
32
30
28
26
1
CE ON-RESISTANCE (Ω)
34
BATTERY SUPPLY CURRENT (µA)
V
CC
= 5V
VBATT = 2.8V
PFI,
CE
IN = 0V
1.5
V
CC
= 5V
VBATT = 2.8V
NO LOAD
100
V
CC
= 4.75V
VBATT = 2.8V
V
CE
IN
= V
CC
/2
80
0.5
60
-60
-30
0
30
60
90
120
150
0
TEMPERATURE (°C)
-60
-30
0
30
60
90
120
150
40
-60 -30
0
30
60
90
120 150 180
TEMPERATURE (°C)
TEMPERATURE (°C)
VBATT to V
OUT
ON-RESISTANCE
vs. TEMPERATURE
MAX691A toc04
V
CC
to V
OUT
ON-RESISTANCE
vs. TEMPERATURE
MAX691A toc05
PFI THRESHOLD
vs. TEMPERATURE
MAX691A toc06
20
VBATT-to-V
OUT
ON-RESISTANCE (Ω)
VBATT = 2.0V
15
VBATT = 2.8V
10
VBATT = 4.5V
5
V
CC
= 0V
-60
-30
0
30
60
90
120
1.2
V
CC
-to-V
OUT
ON-RESISTANCE (Ω)
1.1
1.0
0.9
0.8
0.7
0.6
V
CC
= 5V,
VBATT = 0V
1.50
1.25
PFI THRESHOLD (V)
1.00
0.75
0.50
0.25
0
V
CC
= +5V,
VBATT = 0V
NO LOAD ON
PFO
-60
-30
0
30
60
90
120
150
-60
-30
0
30
60
90
120
150
150
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
RESET THRESHOLD
vs. TEMPERATURE
MAX691A toc07
RESET
OUTPUT RESISTANCE
vs. TEMPERATURE
MAX691A toc08
RESET
OUTPUT RESISTANCE (Ω)
4.70
RESET THRESHOLD (V)
4.65
4.60
4.55
4.50
4.45
4.40
4.35
4.30
VBATT = 2.8V
500
400
300
200
100
0
RESET DELAY (ms)
MAX691A
MAX800L
V
CC
= 5V, VBATT = 2.8V
SOURCING CURRENT
220
210
200
190
180
170
V
CC
= 0V TO 5V STEP
VBATT = 2.8V
MAX693A
MAX800M
-60
-30
0
30
60
90
120
150
V
CC
= 0V, VBATT = 2.8V
SINKING CURRENT
-60
-30
0
30
60
90
120
150
-60
-30
0
30
60
90
120
150
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
www.maximintegrated.com
Maxim Integrated │ 5
MAX691A toc09
4.75
600
230
RESET DELAY
vs. TEMPERATURE
MAX691A toc03
36
2
BATTERY SUPPLY CURRENT
vs. TEMPERATURE
(BATTERY-BACKUP MODE)
120
CHIP-ENABLE ON-RESISTANCE
vs. TEMPERATURE
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
