19-Nov-02
EPR-21 – 5 V, 30 W DC-DC Converter
6 Bill Of Materials
EP-21 30 W 400 kHz DC-DC
Bill Of Materials
Item Qty
Reference
Description
P/N
Manufacturer
1
2
3
4
3
2
2
1
C1-3
C4, 13
C5
1 µF, 100 V 1812
4.7 µF, 20 V B size
220 nF, 25 V 0805
68 µF, 10 V
THCR50E2A105ZT
ECS-T1DY475R
ECJ-2VB1C224K
T491C476K010
UCC
Panasonic
Panasonic
Kemet
C6
tantalum C size
1 nF, 1.5 kV 1808
47 pF, 200 V 0805
2.2 nF, 50 V 0805
100 µF, 10 V tantalum
1 µF, 10 V 0805
100 nF, 25 V 0805
250 mA, 100 V SOD-323
Schottky 25 A, 45 V
1 µH, 2.5 A
5
1
1
1
2
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
C7
1808SC102KAT1A
ECJ-2VC2D470J
ECJ-2VB1H222K
TPSD10710R0100
ECJ-2YB1A105K
ECJ-2YB1E104K
BAV19WS
AVX
6
C8
Panasonic
Panasonic
AVX
7
C9
8
C10, 11
C12, 14
C16
D1, 3
D2
9
Panasonic
Panasonic
Diodes, Inc.
General Semiconductor
Chilisin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
MBRB2545CT
L1
SCD-0403-1R0M
SIL6009 Rev. 6
ERJ-6ENF6193V
L2
8 µH, 6 A PR1408
619 kΩ, 1% 0805
Not Placed
HiCal
R1
Panasonic
R2
R3
8.25 kΩ, 1% 0603
1 Ω, 5% 0603
ERJ-3EKF8251V
ERJ-3GEYJ1R0V
ERJ-8GEYJ1R0V
ERJ-3GEYJ151V
ERJ-3GEYJ103V
ERJ-3GEYJ102V
ERJ-3GEYJ221V
ERJ-3EKF1002V
ERJ-3GEYJ5R1V
ERJ-8GEYJ161V
ERJ-3GEYJ100V
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
R4
R5
1 Ω, 5% 1206
R6
150 Ω, 5% 0603
10 kΩ, 5% 0603
1 kΩ, 5% 0603
220 Ω, 5% 0603
10 kΩ, 1% 0603
5.1 Ω, 5% 0603
160 Ω, 5% 1206
10 Ω, 5% 0603
Not Placed
R7
R8
R9
R10, 11
R12
R13
R14
R15
T1
Transformer, Custom,
PR1408
SIL6010 Rev. 8
HiCal
30
31
32
33
34
1
1
1
1
4
U1
DPA424R
Power Integrations
Sharp
U2
Optocoupler, graded CTR PC357N1T
U3
Shunt Regulator SOT-23
TVS 150 V, 600 W
Pin, Surface Mount,
0.060” x 0.580”
LM431AIM3
SMBJ150A
1248-580-6
National Semiconductor
General Semiconductor
Zierick
VR1
J1-1, 2
J2-1, 2
35
1
EP-21 Aluminum Clad
Printed Circuit Board
Rev. E
Power Integrations, Inc.
Tel: +1 408 414 9660 Fax: +1 408 414 9760
www.powerint.com
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