BD9701FP_09 ROHM [Rohm], BD9701FP_09 Datasheet - Page 11

• Manufacturer Part Number: BD9701FP_09
• Description: Simple Step-down Switching Regulators with Built-in Power MOSFET
• Manufacturer: ROHM [Rohm]

●Test 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
(BD9703FP/CP-V5/T/T-V5)
(BD9702CP-V5/T/T-V5)
＜Recommended Components＞
＜Recommended Components＞
Inductor
Schotky Diode
Capacitor
Inductor
Schotky Diode
Capacitor
+
Vcc
Icc
L1＝47μH
L1＝47μH
D1
C1＝100μF(50V)
C2＝2.2μF(50V)
C3＝470μF(25V)
C4＝OPEN
C3＝OPEN
D1
C1＝1000μF(50V)
C2＝OPEN
C3＝1000μF(25V)
C4＝OPEN
C3＝OPEN
Vcc
1
A
Fig.32 Input Output Measurement Circuit
f
OUT
2
SW2
11/16
GND
:CDRH127/LD (sumida)
:RB050LA-40 (ROHM)
:Al electric capacitor UHD1H101MPT (nichicon)
:ceramic cap CM43X7R225K50A (KYOCERA)
:Al electric capacitor UHD1E471MPT (nichicon)
:CDRH127/LD (sumida)
:RB050LA-40 (ROHM)
:Al electric capacitor UHD1H102MPT (nichicon)
:Al electric capacitor UHD1E102MPT (nichicon)
3
1kΩ
2kΩ
+
INV
4
SW4
A
Vo
V
I
V
INV
INV
STBY
5
I o
A
SW5
VSTB
ISTB
SW6
Technical Note
2009.04- Rev.B