DS1815R-5-U+ Maxim Integrated, DS1815R-5-U+ Datasheet - Page 4

• Manufacturer Part Number: DS1815R-5-U+
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: DS1815r

Specifications of DS1815R-5-U+

• Number Of Voltages Monitored: 1
• Monitored Voltage: 0 V to 5.5 V
• Undervoltage Threshold: 2.98 V
• Overvoltage Threshold: 3.15 V
• Output Type: Active Low, Push-Pull
• 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: 0 V
• Part # Aliases: 90-1815R+U05

µP Reset Circuits with Capacitor-Adjustable
Reset/Watchdog Timeout Delay
(V
4
CC
1000
1.20
1.15
1.10
1.05
1.00
0.95
0.90
100
_______________________________________________________________________________________
0.1
10
5
3
6
4
2
1
0
= +5V, T
1
-50
100
-50
NORMALIZED RESET TIMEOUT PERIOD
RESET TIMEOUT PERIOD vs. C
-25
-25
A
= +25°C, unless otherwise noted.)
V
vs. TEMPERATURE
SUPPLY CURRENT
vs. TEMPERATURE
CC
0
0
1000
TEMPERATURE (°C)
TEMPERATURE (°C)
= 5V
V
25
C
25
CC
SRT
= 3.3V
C
(pF)
SRT
50
50
C
10,000
= 100pF
SRT
75
V
75
= 1500pF
CC
= 1.8V
100
100
SRT
100,000
125
125
100,000
10,000
1.004
0.992
1.010
1.008
1.006
1.002
1.000
0.998
0.996
0.994
0.990
1000
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
100
0.1
10
1
NORMALIZED RESET IN THRESHOLD VOLTAGE
NORMALIZED WATCHDOG TIMEOUT PERIOD
100
-50
-50
WATCHDOG TIMEOUT PERIOD vs. C
MAX6746–MAX6751
V
CC
-25
EXTENDED MODE
-25
= 5V
vs. TEMPERATURE
vs. TEMPERATURE
0
0
1000
TEMPERATURE (°C)
TEMPERATURE (°C)
C
25
25
SWT
C
(pF)
Typical Operating Characteristics
SWT
50
50
NORMAL MODE
10,000
C
= 100pF
SWT
75
75
= 1500pF
100
100
SWT
100,000
125
125
1.240
1.239
1.238
1.237
1.236
1.235
175
150
125
100
75
50
25
0
5
4
2
1
6
3
0
0
1
1
vs. RESET THRESHOLD OVERDRIVE
MAXIMUM TRANSIENT DURATION
RESET OCCURS
ABOVE THE CURVE
RESET THRESHOLD OVERDRIVE (mV)
200
2
2
RESET IN THRESHOLD
vs. SUPPLY VOLTAGE
vs. SUPPLY VOLTAGE
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
400
3
3
600
4
4
V
TH
= 2.92V
800
5
5
1000
6
6