BD9701FP/CP-V5/T/T-V5,BD9703FP/CP-V5/T/T-V5,BD9702CP-V5/T/T-V5

Technical Note

10/16

www.rohm.com

2009.04- Rev.B

© 2009 ROHM Co., Ltd. All rights reserved.

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Recommended Circuit

(BD9701FP/CP-V5/T/T-V5)

＜

Recommended Components (Example)＞

Inductor

L1＝100μH

:CDRH127/LD (sumida)

Schottky Diode

D1

:RB050LA-40 (ROHM)

Capacitor

C1＝100μF(50V)

:Al electric capacitor UHD1H101MPT (nichicon)

C2＝OPEN

C3＝220μF(25V)

:Al electric capacitor UHD1E221MPT (nichicon)

C4＝OPEN

C5＝OPEN

＜

Recommended Components example 2＞

Inductor

L1＝100μH

:CDRH127/LD (sumida)

Schotky Diode

D1

:RB050LA-40 (ROHM)

Capacitor

C1＝220μF(25V)

:Al electric capacitor UVR1H221MPA (nichicon)

C2＝1.0μF(50V)

:ceramic cap UMK212F105ZG (TAIYO YUDEN)

C3＝470μF(16V)

:Al electric capacitor UVR1E471MPA (nichicon)

C4＝150μF(20V)

:OS capacitor 20SVP150M (SANYO)

C3＝OPEN

+

+

5

3

4

2

1

VCC

STBY

GND

INV

OUT

5.0V

C5

R1 : 4kΩ

R2 : 1kΩ

C3

C4

D1

L1

C1

C2

Fig.31 Recommended Circuit Output Voltage 5V : Application cicuit example