DS1818R-20-U+ Maxim Integrated, DS1818R-20-U+ Datasheet - Page 5

• Manufacturer Part Number: DS1818R-20-U+
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: DS1818r

Specifications of DS1818R-20-U+

• Number Of Voltages Monitored: 1
• Monitored Voltage: 1 V to 5.5 V
• Undervoltage Threshold: 2.47 V
• Overvoltage Threshold: 2.64 V
• Output Type: Active Low, Open Drain
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 250 ms
• Supply Voltage - Max: 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-23
• Chip Enable Signals: No
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: Yes
• Supply Current (typ): 35 uA
• Supply Voltage - Min: 1 V
• Part # Aliases: 90-1818R+U20

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