bd45331g ROHM Co. Ltd., bd45331g Datasheet - Page 3
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bd45331g
Manufacturer Part Number
bd45331g
Description
Counter Timer Built-in Cmos Voltage Detector Ic
Manufacturer
ROHM Co. Ltd.
Datasheet
1.BD45331G.pdf
(9 pages)
● Reference Data (Unless specified otherwise, Ta=25 ℃ )
Fig.9 Detection Voltage
5.8
5.4
5.0
4.6
4.2
3.8
3.4
3.0
1.5
1.0
0.5
0.0
Fig.12 Operating Limit Voltage
2.0
1.5
1.0
0.5
0.0
7
6
5
4
3
2
1
0
-40
-40
~
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
0
Fig.6 I/O Characteristics
Release Voltage
V
1
V
-20
Fig.3 Circuit Current
DD
DD
Ta=25 ℃
TEMPERATURE : Ta[ ℃ ]
TEMPERATURE : Ta[ ℃ ]
Low to high(V
2
SUPPLY VOLTAGE : V
SUPPLY VOLTAGE : V
0
0
3
4
20
High to low(V
5
Ta=25 ℃
DET
40
【 BD45421G 】
40
【 BD45421G 】
【 BD45421G 】
【 BD45281G 】
6
+∆V
7
60
DET
DET
DD
)
8
DD
80
)
[V]
80
[V]
9 10
100
50
40
30
20
10
Fig.7 ER Terminal Threshold Voltage
0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-60 -40 -20
20
15
10
Fig.10 Circuit Current when ON
5
0
20
15
10
-40
5
0
0
Fig.13
0.0
Fig.4 “Low” Output Current
DRAIN-SOURCE VOLTAGE : V
1
-20
TEMPERATURE : Ta[ ℃ ]
2
TEMPERATURE : Ta[ ℃ ]
0.5
ER VOLTAGE : VER[V]
( V
“Low” → ”High”
0
0
3
Output Delay Time
3/8
DET
20
4
1.0
20
【 BD45281G t
5
40
-0.2V )
40
【 BD45281G 】
【 BD45421G 】
1.5
【 BD46281G 】
6
60
V
V
7
60
DD
DD
80 100 120
=2.4V
=1.2V
2.0
8
PHL
80
DS
】
9 10
[V]
100
2.5
Fig.11 Circuit Current when OFF
20
15
10
Fig.8 ER Terminal Input Current
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
50
40
30
20
10
20
15
10
5
0
0
5
0
-60 -40 -20
-40 -20
Fig.5 “High” Output Current
0
0
Fig.14 Output Delay Time
DRAIN-SOURCE VOLTAGE : V
1
1
TEMPERATURE : Ta[ ℃ ]
TEMPERATURE : Ta[ ℃ ]
2
ER VOLTAGE : V
“High” → ”Low”
0
3
0
2
4
20
20 40 60
【 BD45281G t
3
5
40
【 BD45421G 】
【 BD46281G 】
【 BD45421G 】
6
4
ER
60
V
7
V
[V]
DD
DD
80 100 120
=4.8V
=6.0V
8
PHL
5
80
DS
】
9 10
[V]
100
6