BD9011EKN 查看數據表（PDF） - ROHM Semiconductor
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BD9011EKN
ROHM Semiconductor
BD9011EKN Datasheet PDF : 29 Pages
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●Reference data (Unless otherwise specified, Ta=25℃)
100
90
80
70
60
50
40
30
20
10
0
0
5.0V
1.8V 2.6V 3.3V
1.2V
VIN=12V
1
2
3
OUTPUT CURRENT：Io[A]
Fig.1 Efficiency 1
0.816
0.812
0.808
0.804
0.800
0.796
0.792
0.788
0.784
-40 -15 10 35 60 85 110
AMBIENT TEMPERATURE ： Ta[℃]
Fig.4 Reference voltage vs.
temperature characteristics
5 .2 5
5 .0 0
4 .7 5
VREG5
4 .5 0
4 .2 5
4 .0 0
3 .7 5
VREG33
3 .5 0
3 .2 5
3 .0 0
-40 -15 10 35 60 85 110
AMBIENT TEMPERATURE ： Ta[℃]
Fig.7 Internal Reg vs.
temperature characteristics
6
5
4
105℃
3
25℃
2
-40℃
1
0
0
2
4
6
INPUT VOLTAGE：V EN[V]
Fig.10 EN threshold voltage
100
90
80
70
60
50
40
30
20
10
0
6
3.3V
5.0V
Io=2A
9 12 15 18 21 24
INPUT VOLTAGE ： VIN[V]
Fig.2 Efficiency 2
110
100
90
80
70
60
-40 -15 10 35 60 85 110
AMBIENT TEMPERATURE ： Ta[℃]
Fig.5 Over current detection vs.
temperature characteristics
6
5
5.0V
4
3
3.3V
2
1
0
0
5
10
15
20
25
INPUT VOLTAGE ： VIN[V]
Fig.8 Line regulation
6
5
25℃
4
105℃
-40℃
3
2
1
0
0
10
20
30
INPUT VOLTAGE：VIN[V]
Fig.3 Circuit current
330
RT=100kΩ
320
310
300
290
280
270
-40 -15 10 35 60 85 110
AMBIENT TEMPERATURE ： Ta[℃]
Fig.6 Frequency vs.
temperature characteristics
3 .0
2 .5
RCL=15mΩ
2 .0
1 .5
LOFF=H
1 .0
LOFF=L
0 .5
0 .0
0
1
2
3
4
5
6
OUTPUT CURRENT: Io[A]
Fig.9 Load regulation
VOUT
50mV/div
VOUT
50mV/div
IOUT
1A/div
Fig.11 Load transient response 1
IOUT
1A/div
Fig.12 Load transient response 2
3/28
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