MIC4684 Datasheet, PDF (13/16 Pages) Micrel Semiconductor – 2A High-Efficiency SuperSwitcher Buck Regulator

MIC4684
Micrel
Printed Circuit Board
Evaluation Board Optimized for Low Input Voltage by using Feed-Forward Diode Configuration (V_IN = 4V to 16V)
Figure 7a. Bottom Side Copper
Figure 7b. Top Side Copper
Figure 7c. Bottom Side Silk Screen
Figure 7d. Top Side Silk Screen
Abbreviated Bill of Material (Critical Components)
Reference
C1
Part Number
594D156X0035D2T
Manufacturer
Vishay Sprague¹
C2, C5
VJ0805Y104KXAAB
Vitramon
C6
GRM426X7R334K50
Murata
C3
Optional
C4
594D337X06R3D2T
Vishay Sprague²
D1
B340A
Diode Inc³
D2
MBRX120
Micro Com. Components⁵
L1
CDRH104R-470MC
Sumida⁴
U1
MIC4684BM
Micrel Semiconductor⁶
1 _{Vishay Dale, Inc., tel: [phone], http://www.vishay.com}
2 _{Vishay Sprague, Inc., tel: [phone], http://www.vishay.com}
3 _{Diodes Inc, tel: [phone], http://www.diodes.com}
4 _{Sumida, tel: [phone], http://www.sumida.com}
5 _{Micro Commercial Components, tel: [phone]}
6 _{Micrel, tel: [phone], http://www.micrel.com}
July 2001
13
Description
15µF 35V
0.1µF 50V
0.33µF, 50V ceramic capacitor
1800pF, 50V ceramic
330µF, 6.3V, tantalum
Schottky 3A, 40V
Schottky 1A, 20V
47µH, 2.1A I_SAT
1A 200kHz power-SO-8 buck regulator
Qty
1
2
(1)
1
1
1
1
1
MIC4684