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 Layer
Bottom Layer 
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
?SPAN class="pst BD3504FVM-TR_2649171_7">Evaluation Board (BD3500/01/02FVM) 
?/DIV>
?SPAN class="pst BD3504FVM-TR_2649171_2">BD350XFVM Evaluation Board Circuit
 
 
?/DIV>
?SPAN class="pst BD3504FVM-TR_2649171_2">BD350XFVM Evaluation Board Application Components
 
 
 
Part No
Value 
Company 
Parts Name 
U1 
- 
ROHM 
BD3500/01/02FVM
U2 
NMOS
ROHM 
RTW060N03 
C1 
1礔 
MURATA 
GRM18 series 
C2 
0.01礔
MURATA 
GRM18 series 
 
Part No
Value 
Company 
Parts Name 
C3 
0.01礔
MURATA 
GRM18 series 
C4 
10礔 
MURATA 
GRM21 series 
C5 
220礔     SANYO,etc 
2R5TPE220MF 
 
 
?SPAN class="pst BD3504FVM-TR_2649171_9">?/SPAN>   BD350XFVM Evaluation Board Layout  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
?SPAN class="pst BD3504FVM-TR_2649171_7">Evaluation Board (BD3504FVM) 
?SPAN class="pst BD3504FVM-TR_2649171_9">?/SPAN>BD3504FVM Evaluation Board Circuit  
?SPAN class="pst BD3504FVM-TR_2649171_9">?/SPAN>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 
1礔 
MURATA 
GRM18 series 
C2 
0.01礔
MURATA 
GRM18 series 
C3 
10礔 
MURATA 
GRM21 series 
C4 
220礔     SANYO,etc 
2R5TPE220MF 
?/DIV>
?/DIV>
 
  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 
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