Datasheet
Technical Note
4/9
BD52□□G, BD52□□FVE, BD53□□G, BD53□□FVE series
www.rohm.com
2009.06 - Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
Reference Data (Unless specified otherwise, Ta=25°C)
Fig.3 Circuit Current
0.0
0.5
1.0
1.5
2.0
012345678910
V
DD
SUPPLY VOLTAGE
:
V
DD
[V]
CIRCUIT CURRENT
:
I
DD
[A]
【
BD5242G/FVE
】
0
3
6
9
12
15
18
0.0 0.5 1.0 1.5 2.0 2.5
DRAIN-SOURCE VOLTAGE
:
V
DS
[V]
"LOW" OUTPUT CURRENT
:
I
OL
[mA]
【
BD5242G/FVE
】
V
DD
=2.4V
V
DD
=1.2V
Fig.4 “Low” Output Current
0
5
10
15
20
25
30
35
40
45
0123456
DRAIN-SOURCE VOLTAGE
:
V
DS
[V]
"HIGH" OUTPUT CURRENT
:
I
OH
[mA]
【
BD5342G/FVE
】
V
DD
=8.0V
V
DD
=6.0V
V
DD
=4.8V
Fig.5 “High” Output Current
0.0
0.2
0.4
0.6
0.8
1.0
0.0 0.5 1.0 1.5 2.0 2.5
V
DD
SUPPLY VOLTAGE
:
V
DD
[V]
OUTPUT VOLTAGE
:
V
OUT
[V]
【
BD5242G/FVE
】
Fig.7 Operating Limit Voltage
Fig.8 CT Terminal Current
0
50
100
150
200
250
300
350
400
450
012345
V
DD
SUPPLY VOLTAGE
:
V
DD
[V]
CT OUTPUT CURRENT
:
I
CT
[A]
【
BD5242G/FVE
】
Fig.6 I/O Characteristics
0
1
2
3
4
5
6
7
8
9
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
V
DD
SUPPLY VOLTAGE
:
V
DD
[V]
OUTPUT VOLTAGE
:
V
OUT
[V]
【
BD5242G/FVE
】
Ta=25
℃
Ta=25
℃
3.0
3.4
3.8
4.2
4.6
5.0
5.4
-40 0 40 80
TEMPERATURE
:
Ta[
℃
]
DETECTION VOLTAGE
:
V
DET
[V]
Low to high(V
DET
+V
DET
)
High to low(V
DET
)
【
BD5242G/FVE
】
~
~
Fig.9 Detection Voltage
Release Voltage
0.0
0.5
1.0
1.5
-40 -20 0 20 40 60 80 100
TEMPERATURE
:
Ta[
℃
]
CIRCUIT CURRENT WHEN ON
:
I
DD1
[A]
【
BD5242G/FVE
】
Fig.10 Circuit Current when ON
0.0
0.5
1.0
1.5
-40 -20 0 20 40 60 80 100
TEMPERATURE
:
Ta[
℃
]
CIRCUIT CURRENT WHEN OFF
:
IDD2 [A]
【
BD5242G/FVE
】
Fig.11 Circuit Current when OFF
0.0
0.5
1.0
1.5
-40 -20 0 20 40 60 80 100
TEMPERATURE
:
Ta[
℃
]
MINIMUM OPERATING VOLTAGE
:
V
OPL
[V]
【
BD5242G/FVE
】
Fig.12 Operating Limit Voltage
0
1
2
3
4
5
6
7
8
9
10
11
12
13
-40 -20 0 20 40 60 80 100
TEMPERATURE
:
Ta[
℃
]
RESISTANCE OF CT
:
R
CT
[M]
【
BD5242G/FVE
】
Fig.13 Ct Terminal Circuit Resistance
0.001
0.01
0.1
1
10
100
1000
10000
0.0001 0.001 0.01 0.1
CAPACITANCE OF CT
:
C
CT
[F]
DELAY TIME
:
T
PLH
[ms]
【
BD5242G/FVE
】
Fig.14 Delay Time (TPLH) and
CT Terminal External Capacitance
