Datasheet

Technical Note
25/31
BD5446EFV
www.rohm.com
2011.06 - Rev.C
© 2011 ROHM Co., Ltd. All rights reserved.
●BOM list(R
L_SP
=8Ω)
Parts Parts No. Value Company Product No.
Rated
Voltage
Tolerance Size
IC U1 － ROHM BD5446EFV － － 18.5mm×9.5mm
Inductor L31, L38, L43, L50 22μH
TOKO 1168ER-0001
- (±20%) 10.3mm×7.6mm
SAGAMI DBE7210H-220M - (±20%) 10.5mm×6.4mm
Resistor
R31B, R38B
R43B, R50B
5.6Ω 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 0.1μF GRM188B31H104KA92 50V B(±10%） 1.6mm×0.8mm
C31A, C38A
C43A, C50A
0.068μF GRM21BB11H683KA01 50V B(±10%
） 2.0mm×1.25mm
C31C, C43C 0.33μF GRM219B31H334KA87 50V B(±10%） 2.0mm×1.25mm
C1, C27 3.3μF GRM188B31A335KE15 10V B(±10%） 1.6mm×0.8mm
C2, C4, C5
C22, C23
1μF 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 220μF
Panasonic
ECA1VMH221 35V ±20% φ8mm×11.5mm
C25D 10μF EEUFC1H100L 50V ±20% φ5mm×11mm