●Example of electrical characteristics
○BU7251 family
BU7251 family
BU7251 family
BU7251 family
60
50
40
30
20
10
0
800
800
600
400
200
0
600
105℃
BU7251G
85℃
BU7251SG
400
25℃
200
0
-40℃
0
50
100
150
0
50
100
150
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
AMBIENT TEMPERATURE [
]
℃
AMBIENT TEMPERATURE [
]
℃
Fig.1
Fig.2
Fig.3
Derating Curve
Derating Curve
Supply Current – Supply Voltage
BU7251 family
BU7251 family
BU7251 family
50
40
30
20
10
0
8
6
4
2
0
6
4
2
0
105℃
25℃
85℃
5.5V
5.5V
3.0V
1.8V
-40℃
3.0V
1.8V
-60
-30
0
30
60
90
℃
120
-60
-30
0
30
60
90
120
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
AMBIENT TEMPERATURE [ ]
℃
AMBIENT TEMPERATURE [
]
Fig.4
Fig.5
Fig.6
Supply Current – Ambient Temperature
Output Voltage High – Supply Voltage
Output Voltage High – Ambient Temperature
(RL=10[kΩ])
(RL=10[kΩ])
BU7251 family
BU7251 family
BU7251 family
10
50
40
30
20
10
0
50
40
30
20
10
0
8
-40℃
6
105℃
25℃
85℃
5.5V
1.8V
4
85℃
105℃
2
0
25℃
3.0V
-40℃
-60
-30
0
30
60
90
120
1
2
3
4
5
6
0.0
0.5
1.0
1.5
2.0
2.5
3.0
SUPPLY VOLTAGE [V]
AMBIENT TEMPERATURE [
]
℃
OUTPUT VOLTAGE [V]
Fig.8
Fig.9
Fig.7
Output Voltage Low – Ambient Temperature
Output Source Current – Supply Voltage
Output Voltage Low – Supply Voltage
(RL=10[kΩ])
(VDD=3[V])
(RL=10[kΩ])
BU7251 family
BU7251 family
BU7251 family
20
5
30
25
4
3
2
1
0
-40℃
15
10
5
25℃
20
5.5V
3.0V
1.8V
5.5V
15
3.0V
85℃
105℃
10
5
1.8V
0
-60
0
-30
0
30
60
90
120
-60
-30
0
30
60
90
120
0.0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT VOLTAGE [V]
AMBIENT TEMPERATURE [
]
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. BU7251G:-40[℃] to+85[℃] BU7251SG:-40[℃] to+105[℃]
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