LM3475_14 Datasheet, PDF (14/21 Pages) Texas Instruments – Hysteretic PFET Buck Controller

LM3475
SNVS239A – OCTOBER 2004 – REVISED JANUARY 2005
Designator
C_IN
C_OUT
C_FF
D1
L1
Q1
R_FB2
R_FB1
Description
10µF, 16V, X5R
100µF, 6V, Ta
1nF, 25V, X7R
Schottky, 20V, 2A
10µH, 3.1A
30V, 2.5A
1kΩ, 0805, 1%
2.15kΩ, 0805, 1%
Table 1. Bill of Materials
Part Number
EMK325BJ106MN
TPSY107M006R0100
VJ1206Y102KXXA
CMSH2-20L
CDRH103R100
Si2343
CRW08051001F
CRCW08052151F
GN
D
L
1
Vou
t
RFB2
RFB1
CFF
0 Ohm
EN Vin
Figure 17. Top Layer (Standard Board)
(2:1 Scale)
GND
L
1
Vou
t
RFB2
C1
R1
C2
RFB1
0 Ohm
EN
Vi
n
Figure 18. Top Layer (with External Ramp)
(2:1 Scale)
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Vendor
TAIYO YUDEN
AVX
Vishay
Central Semiconductor
Sumida
Vishay
Vishay
Vishay
Figure 19. Bottom Layer
(2:1 Scale)
14
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