Datasheet

Micrel, Inc. MIC4680
March 2008 13
M9999-032808
Printed Circuit Board Layouts
Figure 6b. Top-Side Silk Screen Figure 6d. Bottom-Side Silk Screen
Figure 6c. Top-Side Copper Figure 6e. Bottom-Side Copper
Abbreviated Bill of Materials (Critical Components)
Reference Part Number Manufacturer Description Qty.
TPSD156M035R0300 AVX
1
15µF 35V C1
ECE-A1HFS470 Panasonic
2
47µF 50V, 8mm × 11.5mm
1
C4 TPSD227M010R0150 AVX 220µF 10V 1
B260A Vishay-Diodes, Inc.
3
Schottky D1
SS26 General Semiconductor
1
UP2B-680 Coiltronics
4
68µH, 1.5A, nonshielded
CDH115-680MC Sumida
5
68µH, 1.5A, nonshielded
L1
CDRH124-680MC Sumida 68µH, 1.5A, shielded
1
U1
MIC4680BM Micrel
(6)
1A 200kHz power-SO-8 buck regulator 1
Notes:
1. AVX: www.avxcorp.com
2. Panasonic: www.maco.panasonic.co.jp/eccd/index.html
3. Vishay-Diodes, Inc.: www.diodes.com
4. Coiltronics: www.coiltronics.com
5. Sumida: www.sumida.com
6. Micrel, Inc.: www.micrel.com