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BDXXKA5WFP Datasheet(PDF) 3 Page - Rohm

Part # BDXXKA5WFP
Description  500mA Secondary LDO Regulators for Local Power Supplies
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BDXXKA5WFP Datasheet(HTML) 3 Page - Rohm

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BD□□KA5,BD□□KA5W Series,BD00KA5W Series
Technical Note
3/9
www.rohm.com
2009.04 - Rev.A
© 2009 ROHM Co., Ltd. All rights reserved.
Reference Data (Unless specified otherwise, Vcc=25V,VCTL =2V,and Io=0mA)
Fig.12 Thermal Shutdown
Circuit Characteristics (Io=5mA)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40
-20
0
20
40
60
80
100
TEMPERATURE:Ta[℃]
1.4
1.4
1.4
1.5
1.5
1.5
1.5
1.5
1.6
1.6
1.6
-40
-20
0
20
40
60
80
100
TEMPERATURE:Ta[℃]
0
2
4
6
8
10
0.0
0.1
0.2
0.3
0.4
0.5
OUTPUT CURRENT:IOUT[A]
Fig.2 Input Stability
Fig.3 Input Stability
Fig.5 Input/Output Voltage Difference
Fig.6 Ripple Rejection
ein=10dBV,Io=100mA)
Vcc=3.135V)
0.0
0.1
0.2
0.3
0.4
0.5
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]
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
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]
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
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]
[BD15KA5WFP]
[BD15KA5WFP]
[BD15KA5WFP]
[BD15KA5WFP]
[BD15KA5WFP]
[BD15KA5WFP]
0
5
10
15
20
25
30
35
40
45
50
55
60
10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90
FREQUENCY:f[Hz]
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
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]
0
50
100
150
200
250
300
0
50
100
150 200
250 300
350 400
450 500
OUTPUT CURRENT:IOUT[mA]
Io=500mA)
Io=0mA)
100
1000
10000
100000
[BD15KA5WFP]
[BD15KA5WFP]
[BD33KA5WFP]
Fig.1 Circuit current
Fig.4 Load Stability
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
1.6
1.7
1.8
1.9
2.0
100
120
140
160
180
200
TEMPERATURE:[℃]
Fig.7 Output Voltage
Fig.9 Circuit Current by load Level
[BD15KA5WFP]
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
1.6
1.7
1.8
1.9
2.0
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]
0
20
40
60
80
100
120
140
160
180
200
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.8 Circuit Current
Temperature Characteristics
Io=5mA)
[BD15KA5WFP]
[BD15KA5WFP]
Fig.10 CTL Voltage vs. Output Voltage
Fig.11 CTL Voltage vs. Output Current


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