Datasheet

MAX817L/M, MAX818L/M, MAX819L/M*
+5V Microprocessor Supervisory Circuits
_______________________________________________________________________________________ 5
8
-40 40
SUPPLY CURRENT
vs. TEMPERATURE (NO LOAD)
12
MAX817/18/19-01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
-20 0
20
80 10060
16
14
10
0
-40 40
BATTERY SUPPLY CURRENT
(BACKUP MODE) vs. TEMPERATURE
20
80
100
120
140
160
MAX817/18/19-02
TEMPERATURE (°C)
BATTERY SUPPLY CURRENT (nA)
-20 0 20 80 10060
60
40
V
CC
= 0V
V
BATT
= 5.0V
V
BATT
= 2.8V
V
BATT
= 2.0V
0
-40 40
CE IN TO CE OUT ON-RESISTANCE
vs. TEMPERATURE
20
80
MAX817/18/19-03
TEMPERATURE (°C)
CE IN TO CE OUT ON-RESISTANCE (Ω)
-20 0 20 80 10060
60
40
90
100
10
70
50
30
V
CE IN
= 4V
V
CE IN
= 3V
V
CE IN
= 2V
0
-40 40
BATT TO OUT ON-RESISTANCE
vs. TEMPERATURE
MAX817/18/19-04
TEMPERATURE (°C)
BATT TO OUT ON-RESISTANCE (Ω)
-20 0 20 80 10060
50
100
150
200
250
300
V
BATT
= 2.0V
V
BATT
= 2.8V
V
BATT
= 5.0V
V
CC
= 0V
0
-40 40
V
CC
TO RESET PROPAGATION DELAY
vs. TEMPERATURE
200
MAX817/18/19-07
TEMPERATURE (°C)
V
CC
TO RESET PROPAGATION DELAY (ms)
-20 0 20 80 10060
300
400
500
100
V
CC
FALLING AT:
0.25V/ms
1V/ms
10V/ms
3
-40 40
V
CC
TO OUT ON-RESISTANCE
vs. TEMPERATURE
MAX817/18/19-05
TEMPERATURE (°C)
V
CC
TO OUT ON-RESISTANCE (Ω)
-20 0 20 80 10060
4
5
6
7
180
-40 40
RESET TIMEOUT PERIOD
vs. TEMPERATURE
MAX817/18/19-06
TEMPERATURE (°C)
RESET TIMEOUT PERIOD (ms)
-20 0 20 80 10060
190
200
210
220
1.50
-40 40
WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE
1.60
MAX817/18/19-08
TEMPERATURE (°C)
WATCHDOG TIMEOUT PERIOD (sec)
-20 0 20 80 10060
1.65
1.70
1.55
0
-40 40
BATTERY FRESHNESS SEAL
LEAKAGE CURRENT vs. TEMPERATURE
10
MAX817/18/19-09
TEMPERATURE (°C)
LEAKAGE CURRENT (nA)
-20 0 20 80 10060
15
20
5
__________________________________________Typical Operating Characteristics
(V
CC
= +5V, V
BATT
= 3.0V, T
A
= +25°C, unless otherwise noted.)