Technical Note
26/30
BD5446EFV
www.rohm.com
2010.05 - Rev.B
© 2010 ROHM Co., Ltd. All rights reserved.
●
BOM list(R
L_SP
=6
Ω
)
Parts
Parts No.
Value
Company
Product No.
Rated
Voltage
Tolerance Size
IC U1
－
ROHM BD5446EFV
－
－
18.5mm×9.5mm
Inductor
L31, L38, L43, L50
15
μ
H SAGAMI
DBE7210H-150M
－
(±20%) 10.5mm×6.4mm
Resistor
R31B, R38B
R43B, R50B
5.6
Ω
ROHM MCR18PZHZFL5R60 1/4W F(±1%)
3.2mm×1.6mm
Capacitor
C31, C38, C42, C49
1µF
MURATA
GRM185B31C105KE43 16V B(±10%
）
1.6mm×0.8mm
C25, C28, C53, C31A,
C38A, C43A, C48A
0.1
μ
F GRM188B31H104KA92
50V
B(±10%
）
1.6mm×0.8mm
C31C, C43C
0.47
μ
F GRM21BB31H474KA87
50V
B(±10%
）
2.0mm×1.2mm
C1, C27
3.3
μ
F GRM188B31A335KE15
10V
B(±10%
）
1.6mm×0.8mm
C2, C4, C5
C22, C23
1
μ
F GRM185B30J105KE25
6.3V
B(±10%
）
1.6mm×0.8mm
C31B, C38B
C43B, C50B
470pF GRM188B11H471KA
50V
B(±10%
）
2.0mm×1.2mm
Electrolytic
Capacitor
C28D, C53D
220
μ
F
Panasonic
ECA1VMH221 35V
±20%
φ
8mm×11.5mm
C25D 10
μ
F EEUFC1H100L
50V
±20%
φ
5mm×11mm
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