Datasheet
Cout
L
1
Cin
D1
RFB2
C2
RFB1
0 Ohm
GND
Vou
t
Vi
n
EN
Q1
C1
R1
Cout
L
1
Cin
D1
RFB2
CFF
RFB1
0 Ohm
GN
D
Vou
t
VinEN
Q1
LM3475
SNVS239B –OCTOBER 2004–REVISED MARCH 2013
www.ti.com
Table 1. Bill of Materials
Designator Description Part Number Vendor
C
IN
10µF, 16V, X5R EMK325BJ106MN TAIYO YUDEN
C
OUT
100µF, 6V, Ta TPSY107M006R0100 AVX
C
FF
1nF, 25V, X7R VJ1206Y102KXXA Vishay
D1 Schottky, 20V, 2A CMSH2-20L Central Semiconductor
L1 10µH, 3.1A CDRH103R100 Sumida
Q1 30V, 2.5A Si2343 Vishay
R
FB2
1kΩ, 0805, 1% CRW08051001F Vishay
R
FB1
2.15kΩ, 0805, 1% CRCW08052151F Vishay
Figure 17. Top Layer (Standard Board)
(2:1 Scale)
Figure 18. Top Layer (with External Ramp)
(2:1 Scale)
Figure 19. Bottom Layer
(2:1 Scale)
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