bd8301muv ROHM Co. Ltd., bd8301muv Datasheet - Page 7

• Manufacturer Part Number: bd8301muv
• Description: High-efficiency Step-up/down Switching Regulators With Built-in Power Mosfet
• Manufacturer: ROHM Co. Ltd.

● Example of Application Input: 2.8 to 5.5 V, output: 3.3 V / 1.0 A, frequency 600 kHz
● Example of Board Layout
○
BD8301MUV
c
www.rohm.com
2009 ROHM Co., Ltd. All rights reserved.
2.8～5.5V
GRM31CB11A106KA01
10uF(ceramic)
RVIN
murata
ON/OFF
82k
CVCC 1uF
VCC
VBAT
18
16
17
19
20
PVCC
PVCC
STB
RT
VCC
15
1
1500p
RFB 7.5k
CFB
CFB
RFB
CC
RC
Fig.17 Example of Application
Fig.18 Example of Board Layout
RT
2
VOUT
14
1pin
CVIN
↑
GND
RINV2
Lx1
7/13
GND
3
13
Lx2
VOUT
4
12
L
PGND
PGND
VOUT
11
5
Lx2
Lx2
PGND
10
9
8
7
6
GRM31CB11A106KA01
10uF(ceramic)
4.7uH
TOKO DE3518C
RINV2
RINV1
24k
75k
murata
Technical Note
2009.05 - Rev.B
150p
5.1k
CC
RC
3.3V/1.0A