MAX6361_05 Datasheet, PDF (4/12 Pages) Maxim Integrated Products – SOT23, Low-Power μP Supervisory Circuits with Battery Backup

SOT23, Low-Power µP Supervisory Circuits
with Battery Backup
(T_A = +25°C, unless otherwise noted.)
Typical Operating Characteristics
SUPPLY CURRENT vs. TEMPERATURE
(NO LOAD)
20
18
16
14
V_BATT = 0
V_CC = 5.0V
12
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
BATTERY SUPPLY CURRENT
(BACKUP MODE) vs. TEMPERATURE
1.2
V_CC = 0
1.0
V_BATT = 2.8V
0.8
0.6
V_BATT = 2.0V
0.4
0.2
0
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
BATTERY TO OUT ON-RESISTANCE
vs. TEMPERATURE
7
6
5
V_BATT = 2.0V
4
3
V_BATT = 2.8V
2
1
0
-40
V_BATT = 5.0V
I_OUT = 25mA
V_CC = 0
-20 0 20 40 60 80
TEMPERATURE (°C)
V_CC TO OUT ON-RESISTANCE
vs. TEMPERATURE
1.2
V_CC = 2.3V
I_OUT = 25mA
0.9
0.6
V_CC = 3.0V
I_OUT = 65mA
V_CC = 4.5V
I_OUT = 150mA
0.3
0
-40
2.0
-20 0 20 40 60 80
TEMPERATURE (°C)
MAX6362
WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
RESET TIMEOUT PERIOD
vs. TEMPERATURE
210
205
200
195
190
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
RESET THRESHOLD
vs. TEMPERATURE
5.0
MAX636_46
4.5
4.0
3.5
3.0
MAX636_26
2.5
2.0
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
V_CC TO RESET PROPAGATION DELAY
vs. TEMPERATURE
135
V_CC FALLING
120
105
0.25V/ms
90
75
60
45
1V/ms
30
15
10V/ms
0
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
400
350
300
250
MAX636_46
200
RESET OCCURS
150
ABOVE CURVE
100
50
MAX636_26
0
1
10
100
1k
10k
RESET THRESHOLD OVERDRIVE V_TH - V_CC (mV)
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