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6 Bill of Materials
Table 1. Bill of Materials
ID Part Number Type Size Parameters Qty Vendor
U1 LM3434 LED Driver WQFN-24 1 Texas
Instruments
U2 LM5002 Boost Regulator SOIC-8 1 Texas
Instruments
C1 C0805C331J5GACTU Capacitor 0805 330pF, 50V 1 Kemet
C2 GRM31CR60J476KE19L Capacitor 1206 47µF, 6.3V 1 Murata
C3 EKY-350ELL151MHB5D Capacitor MULTICAP 150µF, 35V 1 United Chemi-
con
C4, C5, C6 GRM32ER6YA106KA12 Capacitor 1210 10µF, 35V 2 Murata
C7 C0805C104J5RACTU Capacitor 0805 0.1µF, 50V 1 Kemet
C8, C13 HMK212BJ103KG-T Capacitor 0805 10nF, 100V 2 Taiyo Yuden
C9 OPEN 0805
C10, C11 GRM21BC81E475MA12 Capacitor 0805 4.7µF, 25V 2 Murata
C12 0805YD105KAT2A Capacitor 0805 1µF, 16V 1 AVX
C14 B37941K9474K60 Capacitor 0805 0.47µF, 16V 1 EPCOS Inc .
C15 GRM21BF51E225ZA01L Capacitor 0805 2.2µF, 25V 1 Murata
C17 OPEN 0805
C18 08055C104JAT2A Capacitor 0805 0.1µF, 50V 1 AVX
D1, D2 MBR0540 Diode SOD-123 40V, 500mA 2 Fairchild
D3 MBRS240LT3 Diode SMB 40V, 2A 1 ON
Semiconductor
D4 OPEN SMB
J2 B8B-EH-A(LF)(SN) Connector 1 JST Sales
America, Inc.
J1 1761582001 Connector 1 Weidmuller
Jled 87438-0843 Connector 1 Molex
L1 LPS3008-104ML Inductor 3008 100µH, 150mA 1 Coilcraft
L2 SER2915H-103KL Inductor SER2900 10µH, 21.5A 1 Coilcraft
L3, L4, L5, L6 MPZ2012S300A Ferrite Bead 0805 30Ω @ 100MHz 4 TDK
L7 MPZ2012S101A Ferrite Bead 0805 100Ω @ 100MHz 1 TDK
P1 3352T-1-103LF Potentiometer BOURNS2 10kΩ 1 Bourns
Q1, Q2, Q3, Q4, Si7790DP FET PowerPAK 40V, 6mΩ 2 Vishay-Siliconix
Q5, Q6
Q7 MMDT3906-7-F Dual PNP SOT363_N 1 Diodes Inc.
Q8 ZXTN25040DFHTA NPN SOT-23B 1 Zetex
Q9 ZXTP25040DFHTA PNP SOT-23B 1 Zetex
R1 ERJ-6ENF2942V Resistor 0805 29.4kΩ 1 Panasonic
R2 ERJ-6ENF2491V Resistor 0805 2.49kΩ 1 Panasonic
R3, R30, R31 ERJ-6ENF1002V Resistor 0805 10kΩ 3 Panasonic
R4 ERJ-6GEYJ393V Resistor 0805 39kΩ 1 Panasonic
R5 ERJ-6GEYJ101V Resistor 0805 100Ω 1 Panasonic
R7 OPEN
R14 ERJ-6ENF49R9V Resistor 0805 49.9Ω 1 Panasonic
R8 ERJ-6ENF2002V Resistor 0805 20kΩ 1 Panasonic
R10 ERJ-6ENF4991V Resistor 0805 4.99kΩ 1 Panasonic
R11, R12 ERJ-6ENF6192V Resistor 0805 61.9kΩ 2 Panasonic
R13 ERJ-6GEYJ103V Resistor 0805 10kΩ 1 Panasonic
R15a, R15b WSL25125R0100FEA Resistor CR6332-2512 0.01Ω 2 Vishay
3
SNVA431B–March 2010–Revised May 2013 AN-2041 LM3434 20A Evaluation Board
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