Technical Note

8/15

BD8314NUV

www.rohm.com

2011.08 - Rev.D

© 2011 ROHM Co., Ltd. All rights reserved.

●

Reference Application Data 2 (VCC = 3.0 V, 6.0 V, 8.4 V, VOUT = 10 V)

●

Reference Board Pattern

・

The radiation plate on the rear should be a GND flat surface of low impedance in common with the PGND flat surface.

・

It is recommended to install a GND pin in another system as shown in the drawing without connecting it directly to

this PGND

VOUT

GND

VBAT

Lx

Fig.30 Frequency response property 5

(VCC = 6.0 V, Io = 500 mA)

Fig.31 Frequency response property 6

(VCC = 8.4 V, Io = 500 mA)

Fig.26 Frequency response property 1

(VCC = 3.0 V, Io = 200 mA)

Fig.27 Frequency response property 2

(VCC = 6.0 V, Io = 200 mA)

Fig.28 Frequency response property 3

(VCC = 8.4 V, Io = 200 mA)

Fig.29 Frequency response property 4

(VCC = 3.0 V, Io = 500 mA)

-60

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Frequency [Hz]

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-120

-60

0

60

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100　　

1k

10k

100k

1M

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Frequency [Hz]

-180

-120

-60

0

60

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100　　 1k

10k

100k

1M

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0

20

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Frequency [Hz]

-180

-120

-60

0

60

120

180

100　　

1k

10k

100k

1M

-60

-40

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0

20

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1000000

Frequency [Hz]

-180

-120

-60

0

60

120

180

100　　

1k

10k

100k

1M

-60

-40

-20

0

20

40

60

100

1000

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100000

1000000

Frequency [Hz]

-180

-120

-60

0

60

120

180

100　　

1k

10k

100k

1M

-60

-40

-20

0

20

40

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100

1000

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1000000

Frequency [Hz]

-180

-120

-60

0

60

120

180

100　　

1k

10k

100k

1M

Phase

Gain

Phase

Gain

Phase

Gain

Phase

Gain

Phase

Gain

Phase

Gain