○BU7231 series
BU7231 family
BU7231 family
BU7231 family
20
16
12
8
800
800
600
400
200
0
600
400
200
105℃
BU7231G
BU7231SG
85℃
25℃
4
-40℃
0
0
0
85
1
2
3
4
5
6
50
100
150
0
50
100105
150
SUPPLY VOLTAGE [V]
AMBIENT TEMPERATURE [
]
℃
AMBIENT TEMPERATURE [
]
℃
Fig.1
Fig.3
Fig.2
Derating Curve
Derating Curve
Supply Current – Supply Voltage
BU7231 family
BU7231 family
BU7231 family
12
10
8
6
4
2
0
8
6
4
2
0
105℃
25℃
5.5V
1.8V
85℃
5.5V
3.0V
1.8V
6
-40℃
3.0V
4
2
-60
-30
0
30
60
90
℃
120
-60
-30
0
30
60
90
120
1
2
3
4
5
6
AMBIENT TEMPERATURE [
]
SUPPLY VOLTAGE [V]
AMBIENT TEMPERATURE [
]
℃
Fig.4
Fig.5
Fig.6
Supply Current – Ambient Temperature
Output Voltage – Supply Voltage
Output Voltage High – Ambient Temperature
(RL=10[kΩ])
(RL=10[kΩ])
BU7231 family
BU7231 family
BU7231 family
50
50
40
30
20
10
0
10
40
30
20
10
0
8
-40℃
6
25℃
105℃
85℃
5.5V
1.8V
4
85℃
105℃
25℃
2
0
-40℃
3.0V
-60
-30
0
30
60
90
120
0
2
4
6
8
0
0.5
1
1.5
2
2.5
3
SUPPLY VOLTAGE [V]
AMBIENT TEMPERATURE [
]
℃
OUTPUTFVOigLT.9AGE [V]
Fig.7
Fig.8
Output Source Current – Output Voltage
Output Voltage Low – Supply Voltage
Output Voltage Low – Ambient Temperature
(VDD=3[V])
(RL=10[kΩ])
(RL=10[kΩ])
BU7231 family
BU7231 family
BU7231 family
5
4
3
2
1
0
30
20
15
10
5
25
-40℃
25℃
20
5.5V
3.0V
1.8V
5.5V
3.0V
15
85℃
105℃
10
5
1.8V
0
0
-60
-60
-30
0
30
60
90
120
0.0
0.5
1.0
1.5
2.0
2.5
3.0
-30
0
30
60
90
120
AMBIENT TEMPERATURE [
]
℃
OUTPUT VOLTAGE [V]
AMBIENT TEMPERATURE [
]
℃
Fig.11
Fig.12
Fig.10
Output Sink Current – Output Voltage
Output Sink Current – Ambient Temperature
Output Source Current – Ambient Temperature
(VDD=3[V])
(VOUT=VSS+0.4[V])
(VOUT=VDD-0.4[V])
(*) The above date is ability value of sample, it is not guaranteed. BU7231G:-40[℃] to+85[℃] BU7231SG:-40[℃] to+105[℃]
7/16