Datasheet

Demonstration Board PCB Layout www.ti.com
Table 1. Bill of Materials (BOM)
Label Description Manufacturer
CIN1 Tantalum Capacitor 22µF 35V EEJL1VD226R Panasonic
Tantalum Capacitor 22µF 35V 293D226X0035E Vishay
CIN2 0603 Ceramic Chip Capacitor 0.1µF 50V ECJ1VB1H104K Panasonic
COUT Low ESR Capacitor, POSCAP 100µF 6.3V 6TPC100M Sanyo
CADJ 0603 Ceramic Chip 1nF 50V ECJ1VB1H102K Panasonic
0603 Ceramic Chip 1nF 50V VJ0805A102KXAA Vishay
Cff 0805 Ceramic Chip 100pF 50V ECJ1VC1H101J Panasonic
0805 Ceramic Chip 100pF 50V VJ0805A101KXAA Vishay
D1 Schottky Diode 1A 40V MBRS140T3 ON Semiconductor
Schottky Diode 1A 40V CMSH1-40 Central Semi
L Inductor 22µH LQH66SN220M03L Murata
M1 P-channel MOSFET 60V FDC5614P Fairchild
R1 0805 Chip Resistor 33kΩ CRCW08053302F Vishay
0805 Chip Resistor 33kΩ ERJ3GEYF333 Panasonic
R2 0805 Chip Resistor 20kΩ CRCW08052002F Vishay
0805 Chip Resistor 20kΩ ERJ3GEYF203 Panasonic
RADJ 0603 Chip Resistor 24kΩ CRCW08052402F Vishay
0603 Chip Resistor 24kΩ ERJ3GEYF243 Panasonic
RIS 0603 Chip Resistor 270Ω CRCW08052700F Vishay
0603 Chip Resistor 270Ω ERJ3GEYF271 Panasonic
U1 Buck Controller With ENABLE PIN LM3489 Texas Instruments
3 Demonstration Board PCB Layout
Figure 2. LM3489 Demonstration Board PCB Top Overlay
2
AN-1471 LM3489 Demonstration Board SNVA160A–May 2006–Revised April 2013
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