NJM2078M NJR, NJM2078M Datasheet - Page 6

• Manufacturer Part Number: NJM2078M
• Description: Supervisory Circuits _
• Manufacturer: NJR

Specifications of NJM2078M

• Number Of Voltages Monitored: 2
• Monitored Voltage: 1.2 V
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Supply Voltage (max): 21 V
• Supply Current (typ): 600 uA
• Maximum Power Dissipation: 300 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: DMP-8
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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3. Detection of Abnormal Operating Voltage
4. Programmable Zener
5. Reset Circuit for Decreased Operating Voltage
V
Can use channel B independently.
R
Z
2
･
=
･
V
+

 

z
1
R
+
3
R
R
≤V
2
3

 

V −
V
+
R
Comparate Voltage and hysterisis width can be
adjustabel by R
● Power-on reset time t
● Transistor ; Recommended h
● Rapid Signal Off ; Be care to remained charge
● Reverse polarity output OUT : Open collector.
R
1
t
of C
V
RST
V
V
+
Note : V
+
z
V
V
(
(
H
) L
= -C
1
≤6mA
+
. It affects to t
+
)
H
L
=
=
=
=
1
R
V
R

 


 

+
1
+
1
1
4
L
(
+
≥2.5V
) L
I
+
+
n
1
R
R
R
R
R
R
R
to R



 
2
3
1
3
2
1
4
1
R (
+
−
RST

 

R

 

4
R
V
V
. Roughly.
2
3
V
V
R
R
R
RST
3
TH
+
+
4
V
R
(roughly)

 

TH
3
1
)
+
V
FE
R
TH
2
= 50 to 200
R
+
1
Ver.2003-12-09
R
3

 




 