Datasheet

Layout and Bill of Materials www.ti.com
5 Layout and Bill of Materials
The Bill of Materials is shown in Table 1, including the manufacturer and part number.
Table 1. Bill of Materials
Part Name Part ID Part Value Part Number Manufacturer
Buck Regulator U1 2A Buck Regulator LM27342 Texas Instruments
C
IN
CIN 10 µF TMK325B7106MM-T Taiyo Yuden
C
BOOST
CB 0.1 µF C0603C104K8RACTU Kemet
C
OUT
COUT 22 µF GRM32ER71A226KE20L Murata
C
OUT2
COUT2 22 µF GRM32ER71A226KE20L Murata
Catch Diode D1 Schottky Diode Vf = 0.32V CMS06 Toshiba
Inductor L1 2.7 µH CDRH5D18BHHPNP-2R7M Sumida
Feedback Resistor R1 430 Ω MCR03EZPFX4300 Rohm
Feedback Resistor R2 187 Ω MCR03EZPFX1870 Rohm
Pull-up Resistor REN 4.7 kΩ MCR03EZPFX4701 Rohm
Pull-down Resistor R_S 4.7 kΩ MCR03EZPFX4701 Rohm
Connectors VIN, Turret 160-2043-02-01-00 Cambion
GND,
GND,
VOUT,
EN,
SYNC
Test Point SW Miniature Test Point 5000 Keystone
6 PCB Layout
Figure 3. Top Layer and Overlay
4
AN-1929 LM27342 Demonstration Board SNVA381A–November 2008–Revised April 2013
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