Dual/Triple Ultra-Low-Voltage SOT23 µP
Supervisory Circuits
Typical Operating Characteristics
(V 1 = 5V, V 2 = 3.3V, T = +25°C, unless otherwise noted.)
CC
CC
A
SUPPLY CURRENT vs. TEMPERATURE
SUPPLY CURRENT vs. TEMPERATURE
SUPPLY CURRENT vs. TEMPERATURE
V
1 = 5V, V 2 = 3.3V
V
CC
1 = 3.3V, V 2 = 2.5V
V 1 = 2.5V, V 2 = 1.8V
CC CC
CC
CC
CC
18
16
14
12
10
8
18
16
14
12
10
8
18
16
14
12
10
8
TOTAL
TOTAL
I
1
CC
TOTAL
I
1
CC
I
1
2
CC
CC
6
6
6
4
I
2
4
4
CC
I
2
CC
I
2
2
2
0
0
0
-40
-15
10
35
60
85
-40
-15
10
35
60
85
-40
-15
10
35
60
85
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
SUPPLY CURRENT vs. TEMPERATURE
MAXIMUM V TRANSIENT DURATION
CC
vs. RESET THRESHOLD OVERDRIVE
NORMALIZED RESET/WATCHDOG
TIMEOUT PERIOD vs. TEMPERATURE
V
1 = 1.8V, V 2 = 1.2V
CC
CC
18
16
14
12
10
8
1.007
1.006
1.005
1.004
1.003
1.002
1.001
1.000
0.999
0.998
10,000
1000
RESET OCCURS ABOVE
THIS LINE
TOTAL
6
I
1
2
100
10
CC
CC
4
2
I
0
-40
-15
10
35
60
85
-40
-15
10
35
60
85
1
10
100
1000
TEMPERATURE (°C)
TEMPERATURE (°C)
RESET THRESHOLD OVERDRIVE (mV)
NORMALIZED V RESET THRESHOLD
CC
RESET INPUT AND POWER-FAIL INPUT
THRESHOLD vs. TEMPERATURE
V
TO RESET DELAY
CC
vs. TEMPERATURE
vs. TEMPERATURE
54
1.004
1.003
1.002
1.001
1.000
0.999
0.998
0.997
0.996
631
630
629
628
627
626
625
100mV OVERDRIVE
53
52
51
50
49
48
47
46
45
44
-40
-15
10
35
60
85
-40
-15
10
35
60
85
-40
-15
10
35
60
85
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
_______________________________________________________________________________________
5