Datasheet

LM3421, LM3421-Q1
LM3423, LM3423-Q1
www.ti.com SNVS574E –JULY 2008–REVISED MAY 2013
DESIGN #8 Bill of Materials
Qty Part ID Part Value Manufacturer Part Number
1 LM3421 SEPIC controller TI LM3421MH
1 C
BYP
2.2 µF X7R 10% 16V MURATA GRM21BR71C225KA12L
1 C
CMP
0.47 µF X7R 10% 25V MURATA GRM21BR71E474KA01L
0 C
FS
DNP
4 C
IN
4.7 µF X7R 10% 100V TDK C5750X7R2A475K
4 C
O
10 µF X7R 10% 50V TDK C4532X7R1H106K
1 C
SEP
1.0 µF X7R 10% 100V TDK C4532X7R2A105K
1 C
OV
47 pF COG/NPO 5% 50V AVX 08055A470JAT2A
1 C
T
1000 pF COG/NPO 5% 50V MURATA GRM2165C1H102JA01D
1 D1 Schottky 60V 5A COMCHIP CDBC560-G
2 L1, L2 68 µH 20% 4.3A COILCRAFT DO3340P-683
2 Q1, Q2 NMOS 60V 8A VISHAY SI4436DY
1 Q3 NMOS 60V 115 mA ON-SEMI 2N7002ET1G
1 R
CSH
12.4 kΩ 1% VISHAY CRCW080512K4FKEA
1 R
FS
0Ω 1% VISHAY CRCW08050000OZEA
2 R
HSP
, R
HSN
750Ω 1% VISHAY CRCW0805750RFKEA
1 R
LIM
0.04Ω 1% 1W VISHAY WSL2512R0400FEA
1 R
OV1
15.8 kΩ 1% VISHAY CRCW080515K8FKEA
1 R
OV2
499 kΩ 1% VISHAY CRCW0805499KFKEA
2 R
REF1
, R
REF2
49.9 kΩ 1% VISHAY CRCW080549K9FKEA
1 R
SNS
0.1Ω 1% 1W VISHAY WSL2512R1000FEA
1 R
T
49.9 kΩ 1% VISHAY CRCW080549K9FKEA
1 R
UV1
1.62 kΩ 1% VISHAY CRCW08051K62FKEA
1 R
UV2
10.0 kΩ 1% VISHAY CRCW080510K0FKEA
1 R
UVH
16.9 kΩ 1% VISHAY CRCW080516K9FKEA
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