Texas Instruments LM3431 Evaluation Board LM3431EVAL/NOPB LM3431EVAL/NOPB 사용자 설명서
제품 코드
LM3431EVAL/NOPB
Bill of Materials
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
0
Ω
R5b
FF
15.8k 1%
R6
RT
34.8k
R7
REFIN set
88.7k 1%
R8
REFIN set
13.0k 1%
R9
Comp
909
Ω
1%
R10 - R13
LED sense
2.2
Ω
1%
R14
ch.4
10k
R15
ch.4
1k
R16
DIM
10k
4
AN-1764 LM3431 Evaluation Board
SNVA309A – January 2008 – Revised May 2013
Copyright © 2008–2013, Texas Instruments Incorporated