SC4905A/B
POWER MANAGEMENT
PRELIMINARY
Evaluation Board Bill of Materials
Revised: Monday, January 28, 2002
SC4905 Single Switch Forward (RCD Reset) non Synchronous 12V 50W
Bill Of Materials
Item Quantity
Revised: January 28,2002
Revision: 1b
Reference
Part
Manufacturer #
Foot Print
1
2
3
4
5
6
7
8
1
1
2
6
5
1
2
3
CON1
5output_half_brick
3input_half_brick
470pF,100V
100u,16V
CON\5OUTPUT_HALF_BRICK
CON2
CON\3INPUT_HALF_BRICK
SM/C_0805
C11,C1
C2,C3,C4,C5,C6,C7
EEJL1CD476R
SM/C_0805
C8,C9,C14,C28,C34
0.1u,16V
C10
.47uF,100V
1u,100V
GHM1545X7R474K250 (Murata)
GRM44-1X7R105K250AL (Murata)
GRM42-2X5R106K16 (Murata)
SM/C_2220
C12,C13
SM/C_2220
C15,C16,C23
10u,16V
SM/C_1210_GRM
C17,C18,C19,C20,C21,C24,
9
7
1u, 16V
SM/C_0805
C25
10
11
12
13
14
15
16
17
18
19
20
21
22
23
1
2
2
1
1
1
1
1
1
2
1
2
1
1
C22
2.2u, 16V
220p, 16V
22n, 16V
NA
SM/C_0805
SM/C_0805
SM/C_0805
SM/C_0805
SM/C_0805
SM/C_0805
SM/C_0805
SM/C_0805
SM/C_2220
DIODE_DPAK
SM/DO214AA
SM/DO213AC
SMB/DO214
SOD123
C26,C27
C29,C35
C30
C31
22pF
C32
1nF
C33
680pF
C36
4.7nF
C37
.33uF,250V
MBRD660CT
MURA120T3
LS4448
GHM1545X7R334K250 (Murata)
D1,D2
D3
D4,D5
D6
ZM4742A
1N5819HW
ZM4742A (Diodes Inc.)
D7
D8,D9,D10,D11,D12,D13,
24
7
CMOSH-3
CMOSH-3 (Central Semiconductor)
SOD523
D15
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
1
1
1
1
1
1
1
1
1
2
3
1
1
2
2
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
2
2
D14
B140T
short
SM/DO213AC
VIA\2P
JP1
J1
REF
ED5052
J2
VDD
ED5052
L1
9uH
P1173.123T (Pulse)
LQH4N102K04 (Murata)
SUD15N15-95 (Vishay)
P1173
L2
LQH4N102K04
SUD15N15-95
OUT
SDIP0302
M1
DPAKFET
OUT
Q1
ED5052
FZT853
10
FZT853 (Zetex)
SM/SOT223_BCEC
SM/R_0805
SM/R_0805
SM/R_1206
SM/R_1210_MCR
SM/R_1210_MCR
SM/R_0805
ERJL1W
R5,R1
R2,R9,R13
R3
0
49.9k
R4
500
MRC1-100-5000-F-7
MRC1-100-5001-F-7
R6,R7
R8,R12
R10
5000
TBD
LR2512-01-R025FTR
2.2
LR2512-01-R025FTR (IRC)
R11
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
SM/R_0805
ED5052
R14
280k
R15
499k
R16
2k
R17
500
R18
8.25k
R22,R19
R20,R30
R24,R21
R23
1.1k
39.2k
3.74k
5.1k
R25
100k
R26
80.2k
R27
9.1k
R28
2.2k
R29
NA
SYNC1
T1
SYNC
PA0273
PE-68386
SC4905
SC1301A
SC4431
PA0273 (Pulse)
PE-68386 (Pulse)
SC4905 (Semtech)
SC1301A (Semtech)
SC4431 (Semtech)
PA0273
T2
PE-68386
U1
MSOP10
U2,U3
U4,U6
SOT23_5PIN
SOT23_5PIN
2002 Semtech Corp.
17
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