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BU7251G Datasheet, PDF (8/19 Pages) Rohm – Comparators: Low Voltage CMOS
BU7251G,BU7251SG, BU7231G,BU7231SG,
BU7252F/FVM,BU7252S F/FVM,BU7232F/FVM,BU7232S F/FVM
Technical Note
○BU7231 series
800
BU7231 family
600
BU7231G
400
200
0
0
12
85
50
100
150
AMBIENT TEMPERATURE [℃]
DeraFtiingg. 4C5urve
BU7231 family
10
5.5V
8
6
3.0V
4
1.8V
BU7231 family
800
600
BU7231SG
400
200
0
0
50
100 105
150
AMBIENT TEMPERATURE [℃]
Fig. 46
Derating Curve
BU7231 family
6
105℃
4
85℃
25℃
2
-40℃
20
BU7231 family
16
12
105℃
85℃
8
25℃
4
-40℃
0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Supply CurrFenigt.–47Supply Voltage
BU7231 family
8
6
5.5V
4
3.0V
1.8V
2
2
-60 -30 0 30 60 90 120
AM BIENT TEM PERATURE [℃]
Fig. 48
Supply Current – Ambient Temperature
BU7231 family
50
0
1
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig. 49
Output Voltage – Supply Voltage
(RL=10[kΩ])
50
BU7231 family
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 50
Output Voltage High – Ambient Temperature
(RL=10[kΩ])
BU7231 family
10
40
30
105℃
85℃
20
10
25℃
-40℃
0
0
2
4
6
8
SUPP LY VOLTAGE [V]
Fig. 51
Output Voltage Low – Supply Voltage
(RL=10[kΩ])
BU7231 family
5
40
30
5.5V
20
1.8V
10
3.0V
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 52
Output Voltage Low – Ambient Temperature
(RL=10[kΩ])
BU7231 family
30
8
-40℃
6
25℃
4
85℃ 105℃
2
0
0 0.5 1 1.5 2 2.5 3
OUTPUT VOLTAGE [V]
Fig. 53
Output Source Current – Output Voltage
(VDD=3[V])
20
BU7231 family
4
3
5.5V
2
3.0V
1.8V
1
25
-40℃
20
25℃
15
85℃
105℃
10
5
15
5.5V
10
3.0V
1.8V
5
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 54
Output Source Current – Ambient Temperature
(VOUT=VDD-0.4[V])
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT VOLTAGE [V]
Fig. 55
Output Sink Current – Output Voltage
(VDD=3[V])
0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig. 56
Output Sink Current – Ambient Temperature
(VOUT=VSS+0.4[V])
(*) The above date is ability value of sample, it is not guaranteed. BU7231G:-40[℃] to+85[℃] BU7231SG:-40[℃] to+105[℃]
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