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BD9104FVM Datasheet(PDF) 6 Page - Rohm

Part # BD9104FVM
Description  Output 1.5A or Less High Efficiency Step-down Switching Regulators with Built-in Power MOSFET
Download  18 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD9104FVM Datasheet(HTML) 6 Page - Rohm

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BD9102FVM, BD9104FVM, BD9106FVM
Technical Note
6/17
www.rohm.com
2009.05 - Rev.A
© 2009 ROHM Co., Ltd. All rights reserved.
■
Ta-VOUT
■
Efficiency
■
Reference characteristics
1.75
1.76
1.77
1.78
1.79
1.8
1.81
1.82
1.83
1.84
1.85
-25 -15 -5
5 15 25 35 45 55 65 75 85
TEMPERATURE:Ta[℃]
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
OUTPUT CURRENT:IOUT[mA]
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
-25 -15 -5
5
1525 3545 55 65 7585
TEMPERATURE:Ta[℃]
3
3.05
3.1
3.15
3.2
3.25
3.3
3.35
3.4
3.45
3.5
-25 -15 -5
5
1525354555 657585
TEMPERATURE:Ta[℃]
Fig.34 Ta-VEN
Fig.35 Ta-ICC
Fig.36 Vcc-Fosc
Fig.25 Ta-VOUT
Fig.26 Ta-VOUT
Fig.27 Ta-VOUT
Fig.28 Efficiency
(VCC=EN=5V VOUT=1 24V)
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
OUTPUT CURRENT:IOUT[mA]
Fig.29 Efficiency
(VCC=EN=5V,VOUT=3.3V)
[BD9104FVM]
[BD9102FVM]
0
10
20
30
40
50
60
70
80
90
100
1
10
100
1000
OUTPUT CURRENT:IOUT[mA]
Fig.30 Efficiency
(VCC=EN=5V,VOUT=1.8V)
Ta=25℃
[BD9106FVM]
1.2
1.21
1.22
1.23
1.24
1.25
1.26
1.27
1.28
-25 -15 -5
5
1525 354555657585
TEMPERATURE:Ta[℃]
[BD9102FVM]
VCC=5V
[BD9104FVM]
[BD9106FVM]
0.8
0.85
0.9
0.95
1
1.05
1.1
1.15
1.2
-25 -15 -5
5
1525 354555 65 7585
TEMPERATURE:Ta[℃]
BD9102FVM
BD9104FVM
BD9106FVM
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
-25 -15 -5
5 1525 35 455565 75 85
TEMPERATURE:Ta[℃]
BD9102FVM
BD9104FVM
BD9106FVM
BD9102FVM
BD9104FVM
BD9106FVM
Fig.32 Ta-RONN
Fig.33Ta-RONP
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
-25 -15 -5 5 1525 354555 657585
TEMPERATURE:Ta[℃]
BD9102FVM
BD9104FVM
BD9106FVM
0
50
100
150
200
250
300
350
-25 -15 -5 5 1525 3545 5565 7585
TEMPERATURE:Ta[℃]
VCC=5V
BD9102FVM
BD9104FVM
BD9106FVM
0.8
0.9
1
1.1
1.2
44.5
55.5
INPUT VOLTAGE:VCC[V]
BD9102FVM
BD9104FVM
BD9106FVM
Ta=25℃
Fig.31 Ta-FOSC
VCC=5V
VCC=5V
Ta=25℃
Ta=25℃
VCC=5V
VCC=5V
VCC=5V
VCC=5V


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