ds1231s-50n-t-r Maxim Integrated Products, Inc., ds1231s-50n-t-r Datasheet - Page 6

• Manufacturer Part Number: ds1231s-50n-t-r
• Description: Ds1231 Power Monitor
• Manufacturer: Maxim Integrated Products, Inc.

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