Datasheet
MAX807L/M/N
Full-Featured µP Supervisory Circuit with
±1.5% Reset Accuracy
_______________________________________________________________________________________ 5
__________________________________________Typical Operating Characteristics
(V
CC
= 5V, V
BATT
= 2.8V, PFI = 0, no load, T
A
= +25°C, unless otherwise noted.)
80
60
-60 -20 60 140
V
CC
SUPPLY CURRENT vs. TEMPERATURE
(NORMAL OPERATING MODE)
64
76
MAX807-01
TEMPERATURE (°C)
V
CC
SUPPLY CURRENT (µA)
20 100-40 40 120080
72
68
62
66
78
74
70
3.0
2.5
2.0
1.5
1.0
0.5
0
-60 -20 60 140
BATTERY SUPPLY CURRENT vs.
TEMPERATURE (BATTERY-BACKUP MODE)
MAX807-02
TEMPERATURE (°C)
BATTERY SUPPLY CURRENT (µA)
20 100-40 40 120080
6
5
4
3
2
1
0
-60 -20 60 140
CHIP-ENABLE PROPAGATION DELAY
vs. TEMPERATURE
MAX807-03
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
20 100-40 40 120080
30
5
-60 -20 60 140
BATT-TO-OUT ON-RESISTANCE
vs. TEMPERATURE
10
25
MAX807-04
TEMPERATURE (
°
C)
BATT-TO-OUT ON-RESISTANCE (Ω)
20 100-40 40 120080
20
15
V
BATT
= 2.0V
V
BATT
= 2.8V
V
BATT
= 4.5V
V
CC
= 0V
I
OUT
= 10mA
4.70
4.65
4.60
4.55
4.50
4.45
4.40
-60 -20 60 140
RESET THRESHOLD
vs. TEMPERATURE
MAX807-07
TEMPERATURE (°C)
RESET THRESHOLD (V)
20 100-40 40 120080
MAX807L
MAX807N
MAX807M
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
-60 -20 60 140
V
CC
-TO-OUT ON-RESISTANCE
vs. TEMPERATURE
MAX807-05
TEMPERATURE (°C)
V
CC
-TO-OUT ON-RESISTANCE (Ω)
20 100-40 40 120080
I
OUT
= 250mA
2.340
2.320
2.300
2.280
2.260
2.240
2.220
2.200
-60 -20 60 140
PFI THRESHOLD
vs. TEMPERATURE (V
PFI
FALLING)
MAX807-06
TEMPERATURE (°C)
PFI THRESHOLD (V)
20 100-40 40 120080
280
260
240
220
200
180
160
140
-60 -20 60 140
RESET TIMEOUT PERIOD
vs. TEMPERATURE (V
CC
RISING)
MAX807-08
TEMPERATURE (°C)
RESET TIMEOUT PERIOD (ms)
20 100-40 40 120080
0
10
20
30
40
50
60
70
80
-60 -20 60 140
LOW LINE -TO-RESET THRESHOLD
vs. TEMPERATURE (V
CC
FALLING)
MAX807-09
TEMPERATURE (°C)
LOW LINE-TO-RESET THRESHOLD (mV)
20 100-40 40 120080