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BD8312HFN-TR Datasheet(PDF) 6 Page - Rohm

Part # BD8312HFN-TR
Description  Output 1.5A or Less High-efficiency Step-down Switching Regulator with Built-in Power MOSFET
Download  15 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD8312HFN-TR Datasheet(HTML) 6 Page - Rohm

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BD8312HFN
Technical Note
6/14
www.rohm.com
2011.04 - Rev.D
© 2011 ROHM Co., Ltd. All rights reserved.
Fig.12. Pch FET ON resistance
temperature property
Fig.13. Pch FET ON resistance
power supply property
0
200
400
600
800
1000
-40
0
40
80
120
TEMPARATURE [℃]
Fig.19. Circuit current
temperature property
0
200
400
600
800
1000
02
46
8
10
12
14
VCC [V]
Fig.20. Circuit current
voltage property
ID=500mA
ID=500mA
Fig.18. STB
threshold temperature property
0
200
400
600
800
-40
0
40
80
120
TEMPARATURE [℃]
0
200
400
600
800
1000
36
9
12
15
VCC [V]
1.0
1.5
2.0
2.5
-50
0
50
100
150
Ta [℃]
ON
OFF
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
1.0
2.0
Io [A]
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
1.0
2.0
Io [A]
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
1.0
2.0
Io [A]
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
1.0
2.0
Io [A]
Fig.14.PchFET ON resistance
Io property [VCC=3.5V]
Fig.15.PchFET ON resistance
Io property [VCC=4.0V]
Fig.16.PchFET ON resistance
Io property [VCC=4.5V]
Fig.17.PchFET ON resistance
Io property [VCC=5.0V]
Ta=85℃
Ta=85℃
Ta=85℃
Ta=85℃
Ta=25℃
Ta=25℃
Ta=25℃
Ta=25℃
Ta=-25℃
Ta=-25℃
Ta=-25℃
Ta=-25℃


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