BD12KA5F(2009) データシートの表示（PDF） - ROHM Semiconductor
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BD12KA5F Datasheet PDF : 10 Pages
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BD□□KA5,BD□□KA5W Series,BD00KA5W Series
Technical Note
●Reference Data (Unless specified otherwise, Vcc=25V,VCTL =2V,and Io=0mA)
0 .5
2.0
2 .0
[BD15KA5WFP]
1.8
[BD15KA5WFP]
1 .8
0 .4
1.6
1 .6
[BD15KA5WFP]
1.4
1 .4
0 .3
1.2
1 .2
1.0
1 .0
0 .2
0.8
0 .8
0.6
0 .6
0 .1
0.4
0 .4
0 .0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE:VCC[V]
Fig.1 Circuit current
2.0
1.8
[BD15KA5WFP]
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
OUTPUT CURRENT:IOUT[A]
Fig.4 Load Stability
1 .6
0.2
0 .2
0.0
0.0 0.5
300
250
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
SUPPLY VOLTAGE:VCC[V]
Fig.2 Input Stability
（Io=0mA）
[BD33KA5WFP]
5.0 5.5
0 .0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE:VCC[V]
Fig.3 Input Stability
（Io=500mA）
60
55
[BD15KA5WFP]
50
45
200
40
35
150
30
25
100
20
15
50
10
5
0
0 50 100 150 200 250 300 350 400 450 500
OUTPUT CURRENT:IOUT[mA]
Fig.5 Input/Output Voltage Difference
（Vcc=3.135V）
1 .0
0
10 15 20 251300 35 40 451500055 60 65107000075 80 1805090000
FREQUENCY:f[Hz]
Fig.6 Ripple Rejection
（ein=10dBV,Io=100mA）
10
1 .6
[BD15KA5WFP]
0 .9
1 .6
0 .8
[BD15KA5WFP]
8
[BD15KA5WFP]
1 .5
0 .7
1 .5
0 .6
6
1 .5
0 .5
1 .5
0 .4
4
1 .5
0 .3
1 .4
0 .2
2
1 .4
0 .1
1 .4
-40 -20 0
20 40 60 80
TEMPERATURE:Ta[℃]
Fig.7 Output Voltage
（Io=5mA）
2 .0
1 .9
1 .8
[BD15KA5WFP]
1 .7
1 .6
1 .5
1 .4
1 .3
1 .2
1 .1
1 .0
0 .9
0 .8
0 .7
0 .6
0 .5
0 .4
0 .3
0 .2
0 .1
0 .0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
CONTROL VOLTAGE:VCTL[V]
100
5.0 5.5
Fig.10 CTL Voltage vs. Output Voltage
0 .0
-40 -20 0
20 40 60 80 100
TEMPERATURE:Ta[℃]
Fig.8 Circuit Current
Temperature Characteristics
200
180
[BD15KA5WFP]
160
140
120
100
80
60
40
20
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
CONTROL VOLTAGE:VCTL[V]
Fig.11 CTL Voltage vs. Output Current
0
0 .0
0 .1
0 .2
0 .3
0 .4
0 .5
OUTPUT CURRENT:IOUT[A]
Fig.9 Circuit Current by load Level
2.0
1.9
1.8
[BD15KA5WFP]
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
100
120
140
160
180
200
TEMPERATURE:[℃]
Fig.12 Thermal Shutdown
Circuit Characteristics (Io=5mA)
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3/9
2009.04 - Rev.A
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