Texas Instruments LM27342 (10-Pin LLP) - 2MHz 2A Wide Input Buck Regulator with Frequency Synchronization EVM LM27342SDE LM27342SDEVAL 데이터 시트
제품 코드
LM27342SDEVAL
Layout and Bill of Materials
5
Layout and Bill of Materials
The Bill of Materials is shown in
, 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 k
Ω
MCR03EZPFX4701
Rohm
Pull-down Resistor
R_S
4.7 k
Ω
MCR03EZPFX4701
Rohm
Connectors
VIN,
Turret
160-2043-02-01-00
Cambion
GND,
GND,
VOUT,
EN,
SYNC
GND,
VOUT,
EN,
SYNC
Test Point
SW
Miniature Test Point
5000
Keystone
6
PCB Layout
Figure 3. Top Layer and Overlay
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AN-1929 LM27342 Demonstration Board
SNVA381A – November 2008 – Revised April 2013
Copyright © 2008–2013, Texas Instruments Incorporated