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Bill of Materials www.ti.com
3 Bill of Materials
Table 1. Standard Bill of Materials
Ref # Function Description Part Number Manufacturer
IC1 Boost controller and LED driver LM3431 Texas Instruments
C1 Cin 1µF 50V B ceramic GRM32RB11H105KA01 Murata
C2 Cin 10µF 50V electrolytic UUD1H100MCL Nichicon
C3 VCC 4.7µF 10V X7R ceramic C2012X7R1A475M TDK
C4 Comp 47nF 50V X7R ceramic GRM21BR71H473KA01L3K Murata
C5 MODE/F 10nF 10V COG ceramic GRM2195C1H103JA01D Murata
C6 SS 47nF 50V X7R ceramic GRM21BR71H473KA01L3K Murata
C7 DLY 4.7nF 50V COG ceramic GRM2165C1H472JA01D Murata
C8 VA 4.7µF 50V X7R ceramic GRM32ER71H475KA88L Murata
C9 VA 4.7µF 50V X7R ceramic GRM32ER71H475KA88L Murata
C10 VA not installed - -
C11 REFIN bypass not installed - -
C12 REF bypass not installed - -
C13 Comp2 not installed - -
C14 THM not installed - -
C15 OP1 10nF 10V COG ceramic GRM2195C1H103JA01D Murata
C16 Cin not installed - -
D1 power diode 2A 40V Schottky diode SS24 Vishay
D2-D3 SC 600mA dual cathode diode CMPD3003C Central
Semiconductor
D4-D5 SC 600mA dual cathode diode CMPD3003C Central
Semiconductor
D6-D7 CFB 250mA dual anode diode CMPD1001A Central
Semiconductor
D8-D9 CFB 250mA dual anode diode CMPD1001A Central
Semiconductor
D10 bypass diode not installed - -
L1 power coil 7µH 3.1A inductor MSS1038-702NL Coilcraft
Op1 ch.4 rail to rail op amp LMV710 Texas Instruments
Q1 Power FET 4A 40V N-channel MOSFET Si4446DY Vishay
Q2-Q5 regulator 40V 600mA NPN transistor CXT2222A Central
Semiconductor
Q6 ch.4 60V 200mA N-channel MOSFET 2N7002K Vishay
R1 EN uvlo set 105k 1%
R2 EN uvlo set 20k
R3 I sense 51mohm 0.5W 1% WSL2010R0510F Vishay
R4 I limit 5.76k 1%
R5a FF 0Ω
R5b FF 15.8k 1%
R6 RT 34.8k
R7 REFIN set 88.7k 1%
R8 REFIN set 13.0k 1%
R9 Comp 909Ω 1%
R10 - R13 LED sense 2.2Ω 1%
R14 ch.4 10k
R15 ch.4 1k
R16 DIM 10k
4
AN-1764 LM3431 Evaluation Board SNVA309A–January 2008–Revised May 2013
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