EPC EPC9087, Quick Start Manual, Page: 5 / 6

QUICK ST
AR
T GUIDE
5 | | EPC – EFFICIENT PO
WER C
ONVERSION C
ORPOR
ATION |
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OP
YRIGHT 2017
Demonstr
ation S
yst
em EPC9087
VCC
7 - 12 Vdc
C4
C10
1
2
J1
CON2
R1
PW
M
1
GND
A
B
Y
VDD
U1
NC7SZ00L6X
See Table
SW OUT
GND
(Optional)
1
TP3
CON1
1 2 3 4
J8
CON4
1 2 3 4
J3
CON4
1 2 3 4 J4
CON4
1 2 3 4
J6
CON4
1 2 3 4
J5
CON4
C11
1
TP2
Keystone 5015
1
TP1
Keystone 5015
R2
Zero
R14
R15
Zero
R5
47.0
D2
SDM03U40
R4
33
D1
SDM03U40
VCC
OUT
1
NC
2
NC
3
GND
4
NC
5
NC
6
NC
7
IN
8
GND
9
U3 MCP1703
1
2
J2
CON2
1
2
J9
CON2
2
P1
2
P2
GND
A
B
Y
VDD
U4
NC7SZ08L6X
C9
R19
1 Ohm
R20 1 Ohm
R23 1 Ohm
R24
1 Ohm
C21
U2
LM5113TM
C19
C17
C16
100 pF
Q1 EPC2037
Q2 EPC2037
Optional
Optional
Optional
1 μF, 100 V
1 μF, 25 V
1 μF, 25 V
1 μF, 25 V
10 k
0.1 μF, 25 V
0.1 μF, 25 V
100 pF
1 2 3 4
J7
CON4
Figure 5: Development board EPC9087 schematic .