Datasheet

LM3421, LM3421-Q1
LM3423, LM3423-Q1
www.ti.com SNVS574E –JULY 2008–REVISED MAY 2013
DESIGN #6 Bill of Materials
Qty Part ID Part Value Manufacturer Part Number
1 LM3423 Buck controller TI LM3423MH
1 C
BYP
2.2 µF X7R 10% 16V MURATA GRM21BR71C225KA12L
2 C
CMP
, C
DIM
0.1 µF X7R 10% 25V MURATA GRM21BR71E104KA01L
0 C
FS
DNP
4 C
IN
4.7 µF X7R 10% 100V TDK C5750X7R2A475K
0 C
O
DNP
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 100V 12A VISHAY 12CWQ10FNPBF
1 D2 Zener 10V 500mA ON-SEMI BZX84C10LT1G
1 L1 22 µH 20% 7.3A COILCRAFT MSS1278-223MLB
1 Q1 NMOS 60V 8A VISHAY SI4436DY
1 Q2 PMOS 30V 6.2A VISHAY SI3483DV
1 Q3 NMOS 60V 115mA ON-SEMI 2N7002ET1G
1 Q4 PNP 150V 600 mA FAIRCHILD MMBT5401
1 R
CSH
12.4 kΩ 1% VISHAY CRCW080512K4FKEA
1 R
FS
0Ω 1% VISHAY CRCW08050000OZEA
2 R
HSP
, R
HSN
1.0 kΩ 1% VISHAY CRCW08051K00FKEA
1 R
LIM
0.04Ω 1% 1W VISHAY WSL2512R0400FEA
1 R
OV1
21.5 kΩ 1% VISHAY CRCW080521K5FKEA
1 R
OV2
499 kΩ 1% VISHAY CRCW0805499KFKEA
3 R
PU
, R
PU2
, R
UV2
100 kΩ 1% VISHAY CRCW0805100KFKEA
1 R
T
35.7 kΩ 1% VISHAY CRCW080535K7FKEA
1 R
SNS
0.08Ω 1% 1W VISHAY WSL2512R0800FEA
1 R
UV1
11.5 kΩ 1% VISHAY CRCW080511K5FKEA
Copyright © 2008–2013, Texas Instruments Incorporated Submit Documentation Feedback 55
Product Folder Links: LM3421 LM3421-Q1 LM3423 LM3423-Q1