NJM#2078D NJR, NJM#2078D Datasheet - Page 5
NJM#2078D
Manufacturer Part Number
NJM#2078D
Description
Supervisory Circuits _
Manufacturer
NJR
Datasheet
1.NJM2078M.pdf
(8 pages)
Specifications of NJM#2078D
Product Category
Supervisory Circuits
Rohs
yes
Number Of Voltages Monitored
2
Monitored Voltage
1.2 V
Undervoltage Threshold
1.15 V
Overvoltage Threshold
1.25 V
Manual Reset
Not Resettable
Watchdog
No Watchdog
Supply Voltage - Max
21 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Package / Case
DIP-8
Maximum Power Dissipation
500 mW
Minimum Operating Temperature
- 40 C
Factory Pack Quantity
50
Supply Current (typ)
600 uA
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
■ TYPICAL APPLICATION
Ver.2003-12-09
1. Hysterisis
2. Detection of Abnormal Supply Voltage
Each equation is calculated without considering the
saturation voltage. It is necessary to compensate by
the saturation voltage fit to lead conditions, precisely.
Hysterisis ; Positive feedback from pin 2 or pin 7 (ref.1).
V
V
V
V
Note : V
V
V
IN(A)
IL(A)
IN(B)
IL(B)
+
+
H
L
・
・
=
=
・
・
=
=
・
・
=
=
・
・
1
1
1
1
+
1
1
+
+
≥2.5V
+
+
+
+
R
R
R
R
R
R
R
R
R
R
2
3
2
1
2
1
R
1
2
3
4
R
+
+
3
1
V
V
R
R
V
V
R
R
R
2
R
3
V
V
R
R
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