MIC4690 Datasheet, PDF (11/12 Pages) Micrel Semiconductor – 500kHz 1A SuperSwitcher Buck Regulator

MIC4690
Printed Circuit Board Layouts
Micrel
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 Material (Critical Components)
Reference
C1
C2, C6
C4
D1
L1
U1
Part Number
Manufacturer
Description
Qty
595D2260035D2T
Vishay Sprague¹
22µF, 35V
1
ECE-A1HFS470
TPSD226M035R0300
Panasonic
AVX²
47µF, 50V, 8mm X 11.5mm
22µF, 35V
VJ0805Y104KXAMB
Vishay Vitramon²
0.1µF 50V
2
594D227X0010D2T
Vishay Sprague¹
220µF, 10V
1
SS24
Micro Commercial Corp³
Schottky 2A, 40A
1
B240A
Diode Inc
CDRH6D38-180MC
Sumida⁴
18µH, 1.5A I_SAT
1
MIC4690BM
Micrel Semiconductor⁵
1A 200kHz power-SO-8 buck regulator
1
1 _{Vishay Dale, Inc., tel: [phone], http://www.vishay.com}
2 _{Diodes Inc, tel: [phone], http://www.diodes.com}
3 _{Micro Commercial Corp., tel: [phone]}
4 _{Sumida, tel: [phone], http://www.sumida.com}
5 _{Micrel, tel: [phone], http://www.micrel.com}
June 2001
11
MIC4690