International Rectifier SupIRBuck IR3898, Руководство пользователя, Страница: 7 / 17

IRDC3898-P3V3
8/15/2013
Confidential
This evaluation board is a preliminary version meant for the engineering evaluation of the IR3898.
Based on the results of the continuing evaluation, this board can evolve and change without notice
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Bill of Materials
Item Qty Part Reference Value Description Manufacturer Part Number
1 1 C1 330uF
SMD Electrolytic F size 25V 20% Panasonic
EEV-FK1E331P
2 3 C3 C4 C5 10uF
1206, 16V, X5R, 20%
TDK C3216X5R1C106M
3 4 C7 C12 C14 C24 0.1uF 0603, 25V, X7R, 10% Murata GRM188R71E104KA01B
4 1 C8 2200pF 0603,50V,X7R Murata GRM188R71H222KA01B
5 1 C11 130pF
0603, 50V, NP0, 5% Murata GRM1885C1H131JA01D
6 3 C15 C16 C17 22uF
0805, 6.3V, X5R, 20%
TDK C2012X5R0J226M
7 1 C23 2.2uF
0603, 16V, X5R, 20%
TDK C1608X5R1C225M
8 1 C26 5.6nF
0603, 25V, X7R, 10%
Murata GRM188R71E562KA01J
9 1 C32 1.0uF
0603, 25V, X5R, 10%
Murata GRM188R61E105KA12D
10 1 L1 1.0uH
SMD 7.1x6.5x5mm,4.7mΩ
TDK SPM6550T-1R0
11 1 R1 2.49K
Thick Film, 0603,1/10W,1%
Panasonic ERJ-3EKF2491V
12 2 R2 R11 4.42K
Thick Film, 0603,1/10W,1%
Panasonic ERJ-3EKF4421V
13 2 R3 R12 787
Thick Film, 0603,1/10W,1%
Panasonic ERJ-3EKF7870V
14 1 R4 75
Thick Film, 0603,1/10W,1%
Panasonic ERJ-3EKF75R0V
15 1 R6 20
Thick Film, 0603,1/10W,1%
Panasonic ERJ-3EKF20R0V
16 1 R9 23.2K
Thick Film, 0603,1/10W,1%
Panasonic ERJ-3EKF2322V
17 5 R10 R13 R14 R15 R50 0
Thick Film, 0603,1/10W
Panasonic ERJ-3GEY0R00V
18 2 R17 R18 49.9K
Thick Film, 0603,1/10W,1%
Panasonic ERJ-3EKF4992V
19 1 R19 9.09K
Thick Film, 0603,1/10W,1%
Panasonic ERJ-3EKF9091V
20 1 U1 IR3898 PQFN 4x5mm IR IR3898MPBF
BOM IRDC3898 Vin-12V Vout-3.3V/6.0A Freq-1MHz