BD9701FP_09 ROHM [Rohm], BD9701FP_09 Datasheet - Page 10
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BD9701FP_09
Manufacturer Part Number
BD9701FP_09
Description
Simple Step-down Switching Regulators with Built-in Power MOSFET
Manufacturer
ROHM [Rohm]
Datasheet
1.BD9701FP_09.pdf
(17 pages)
●Recommended Circuit
© 2009 ROHM Co., Ltd. All rights reserved.
BD9701FP/CP-V5/T/T-V5,BD9703FP/CP-V5/T/T-V5,BD9702CP-V5/T/T-V5
www.rohm.com
(BD9701FP/CP-V5/T/T-V5)
<Recommended Components (Example)>
<Recommended Components example 2>
Inductor
Schottky Diode
Capacitor
Inductor
Schotky Diode
Capacitor
Fig.31 Recommended Circuit Output Voltage 5V : Application cicuit example
STBY
5
C2
L1=100μH
L1=100μH
D1
C1=100μF(50V)
C2=OPEN
C3=220μF(25V)
C4=OPEN
C5=OPEN
D1
C1=220μF(25V)
C2=1.0μF(50V)
C3=470μF(16V)
C4=150μF(20V)
C3=OPEN
+
C1
1
3
VCC
GND
10/16
:CDRH127/LD (sumida)
:RB050LA-40 (ROHM)
:Al electric capacitor UHD1H101MPT (nichicon)
:Al electric capacitor UHD1E221MPT (nichicon)
:CDRH127/LD (sumida)
:RB050LA-40 (ROHM)
:Al electric capacitor UVR1H221MPA (nichicon)
:ceramic cap UMK212F105ZG (TAIYO YUDEN)
:Al electric capacitor UVR1E471MPA (nichicon)
:OS capacitor 20SVP150M (SANYO)
2
4
OUT
INV
D1
L1
C4
R2 : 1kΩ
R1 : 4kΩ
+
C3
5.0V
C5
Technical Note
2009.04- Rev.B