DS1231-35N+ Maxim Integrated Products, DS1231-35N+ Datasheet - Page 6
![IC POWER MONITOR 35NS 8-DIP](/photos/1/39/13900/175-8-dip_sml.jpg)
DS1231-35N+
Manufacturer Part Number
DS1231-35N+
Description
IC POWER MONITOR 35NS 8-DIP
Manufacturer
Maxim Integrated Products
Type
Simple Reset/Power-On Resetr
Datasheet
1.DS1231-20.pdf
(9 pages)
Specifications of DS1231-35N+
Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active High/Active Low
Reset Timeout
150 ms Minimum
Voltage - Threshold
4.37V, 4.62V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Monitored Voltage
4.5 V to 5.5 V
Undervoltage Threshold
4.5 V
Overvoltage Threshold
4.74 V
Output Type
Active High, Active Low, Open Drain
Manual Reset
Not Resettable
Watchdog
No Watchdog
Battery Backup Switching
No Backup
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Supply Current (typ)
2000 uA
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Power Fail Detection
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
APPLICATION WITH MODE PIN GROUNDED Figure 6
NOTE: RST requires a pull–up resister.
AC VOLTAGE MONITOR WITH OPTO-ISOLATION Figure 7
NOTE: RST requires a pull–up resister.
DS1231/S
022698 6/9
AC LINE
INPUT
VOLTAGE SENSE POINT (TRIP VALUE)
CTR
EXAMPLE:
THEN 105
IF
VOLTAGE SENSE POINT
IC
IF
R1
VZ
CTR
100
IC
CTR = 0.2 IC = 30 A IF = 150 A
VOLTAGE SENSE POINT = 105 AND
VZ = 100 VOLTS
ZENNER VOLTAGE
CURRENT TRANSFER RATIO
0.2
30
x R1
IN
MODE
TOL
GND
IN
MODE
TOL
GND
DS1231
R1
DS1231
RST
RST
V
NMI
CC
33K
RST
RST
VZ
V
NMI
CC
-5% V
-5% V
CTR
CC
IC
THRESHOLD
+5V
CC
X R1
+5V
DC
THRESHOLD
DC
TO
TO
P
P