Texas Instruments AN-2255, User Manual, Page: 6 / 26

GD0
OutP
REFRTN
VIN
SE0
U1
LM3463
VREF
IOUTADJ
FCAP
CDHC
ISR
VCC
VLedFB
GND
Faultb
MODE
DIM01
DIM23
DIM4
DIM5
EN
DRVLIM
0
REFRTN
R10
NC
R11
0.47 µF
25V
C6
22 nF
25V
C5
1 µF
16V
C4 NC
R9
NC
R7
0
R37
GND
GND GND GND GND GND GND
1
2
J9 1
2
3
J8 1
2
3
J4 1
2
3
J5 1
2
3
J6 1
2
3
J7
1.54 k
R6
D2
(Blue LED)
VCC
GND
1
2
3
4
5
6
7
8
J10
EN
Faultb
DIM01
DIM23
DIM4
DIM5
MODE
GND
GND
1
2
3
J3
VFB
NC
GND
TP4 TP6
TP18
TP16
TP14
TP12
TP20
TP8
TP10
TP22
TP24 TP27 TP28 TP29
FS
64.9 k
R8
TP26
TP30
TP31
TP41
TP47
TP42
TP48
TP43
TP49
TP44
TP50
TP45
TP51
TP46
TP52
TP64 TP62 TP60 TP58 TP56 TP54 TP63 TP61 TP59 TP57 TP55 TP53
FDD2572
Q1
FDD2572
Q2
FDD2572
Q3
FDD2572
Q4
FDD2572
Q5
FDD2572
Q6
1
R13
NC
R12
1
R15
NC
R14
1
R17
NC
R16
1
R19
NC
R18
1
R21
NC
R20
1
R23
NC
R22
J16 J15 J14 J13 J12 J11
CH0 CH1 CH2 CH3 CH4 CH5
SE1
SE2
SE3
SE4
SE5
GD1
GD2
GD3
GD4
GD5
DR0
DR1
DR2
DR3
DR4
DR5
CLKOUT
SYNC
TP34 TP33
TP36 TP35
GND REFRTN
150 k
R2
8.25 k
R4
1 µF
100V
C2
1µF
100V
C1
J0
J1
J2
GND
TP3
TP1 TP2
TP38 TP37 TP39 TP40
Power pad of the LM3463 connected to GND
BAV20W-TP
D1
2.94 k
R5
VRAIL
GND
1 µF
16V
C3
VCC
LM3463 Evaluation Board Schematic
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3 LM3463 Evaluation Board Schematic
Figure 1. Circuit diagram of the LM3463 evaluation board
4 Bill Of Materials
Designator Description Package Part Number Manufacturer
U1 LED driver LLP-48 LM3463SQ/NOPB Texas Instruments
C1, C2 Capacitor, 1uF, 100V, X7R 1206 GRM31CR72A105KA01L MuRata
C3, C4 Capacitor, 1uF, 16V, X7R 0603 C1608X7R1C105K TDK
C5 Capacitor, 2200 pF, 25V, X7R 0603 GRM188R71E222KA01D MuRata
C6 Capacitor, 0.47uF, 25V, X5R 0603 GRM188R61E474KA12D MuRata
D1 Diode, 200V, 200 mA SOD-123 BAV20W-TP Micro Commercial
D2 Green LED Gull-wing HLMP-6500-F0011 Avago Technologies
J0, J1, J2 Terminal screw vertical, snap- 7693 Keystone
in
J3 3 Pos. connector 100 mil pitch 3-641216-3 TE Connectivity
J4, J5, J6, J7, J8 3 Pos. header 100 mil pitch TSW-103-07-G-S Samtec
J9 2 Pos. header 100 mil pitch TSW-102-07-G-S Samtec
J10 8 Pos. connector 100 mil pitch 3-641216-8 TE Connectivity
J11, J12, J13, J14, Banana jack connector 8.9 mm dia. 575-8 Keystone
J15, j16
Q1, Q2, Q3, Q4, MOSFET, N-CH, 150V, 29A DPAK FDD2572 Fairchild Semiconductor
Q5, Q6
R2 Resistor, 150 k Ω , 1%, 0.1W 0603 CRCW0603150KFKEA Vishay-Dale
6 AN-2255 LM3463 Evaluation Board SNVA642 – May 2012
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