BD3504FVM,BD3500FVM,BD3501FVM,BD3502FVM
Technical Note
11/16
www.rohm.com
2010.05 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
Silk Screen
TOP Laye
Bottom Laye
Silk Screen
TOP Layer
Bottom Layer
BD3504FVM
G
EN
VCC
NRCS
VD
VS
GND
VCC
S1
3
6
5
7
U1
VFB
GND
VTTS
1
C1
4
2
VCC
8 VIN
VOUT
C2
C3
C4
U2
R2’
R1’
R2
R1
●Evaluation Board (BD3500/01/02FVM)
■
■BD350XFVM Evaluation Board Circuit
■
■BD350XFVM Evaluation Board Application Components
Part No Value Company Parts Name
U1 - ROHM BD3500/01/02FVM
U2 NMOS ROHM RTW060N03
C1 1µF MURATA GRM18 series
C2 0.01µF MURATA GRM18 series
Part No Value Company Parts Name
C3 0.01µF MURATA GRM18 series
C4 10µF MURATA GRM21 series
C5 220µF SANYO,etc 2R5TPE220MF
■
■
BD350XFVM Evaluation Board Layout
●Evaluation Board (BD3504FVM)
■
■BD3504FVM Evaluation Board Circuit
■
■BD3504FVM Evaluation Board Application Components
Part No Value Company Parts Name
U1 - ROHM BD35304FVM
U2 NMOS ROHM RTW060N03
R1 3.9K ROHM MCR03EZPF3901
R1’ 3.3K ROHM MCR03EZPF3301
R2 3.9K ROHM MCR03EZPF3901
Part No Value Company Parts Name
R2’ 3.3K ROHM MCR03EZPF3301
C1 1µF MURATA GRM18 series
C2 0.01µF MURATA GRM18 series
C3 10µF MURATA GRM21 series
C4 220µF SANYO,etc 2R5TPE220MF
■
■
BD3504FVM Evaluation Board Layout
BD350XFVM
G
EN
VCC
NRCS
VIN
VFB
GND
VCC
S1
8
6
7
U1
1
C1
4
2
VCC
VIN
VOUT
C3
C4
C5
U2
SCP
3
C2
5