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3
.2
S
c
h
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m
a
ti
c
VCC
1
RT
2
CT/SD
3
COM
4
LO
5
VS
6
HO
7
VB
8
U1
IRS2795
Q1
STF13NM50N
Rf2
47k
Dbs
MURS160
U2
TLP621
Vbus
VCC
VCC
COM
1
1
2
2
3
3
4
4
5
5
6
6
JP4
Header 6
3.3uH/10A
Lf1
F1
5A/250V
+ C4
270uF/450V
2
1
3
4
B1
GBU4J-BPMS-ND
C1
0
.1
u
F
/2
7
5
V
-X
2
265VAC
N
1
2
JP1
Header 3
1
RT
610uH
Dg1
1N4148
Rgs1
D
N
P
D1
V30100S
D3
20TQ040
W1
Jumper
U3
TL431
DNP=Do not Populate
L1
t°
RNTC
5
DNP = Do Not Populate
3.3uH/10A
Lf2
C2
0
.1
u
F
/2
7
5
V
-X
2
C3
0.33uF/630V
CVcc2
1
0
0
n
F
Cbs
220nF
Cf2
100nF
+
CDC
3
3
u
F
/3
5
V
Cf1 DNP
+
Cout1
1
m
F
/3
5
V
+
Cout2
1
m
F
/3
5
V
+
Cout3
1
m
F
/3
5
V
+
Cout6
1
.5
m
F
/2
5
V
+
Cout7
1
.5
m
F
/2
5
V
+
Cout8
1
0
0
0
u
F
/2
5
V
Cout5
1
0
0
n
F
Cout9
1
0
0
n
F
Cr
22nF/1kV
Cs
2.2nF/250V
CSS
1
u
F
CVcc1
1
u
F
CT
3
9
0
p
F
D2
V30100S
D4
20TQ040
Dg2
1N4148
DSS
1
N
4
1
4
8
1
CT
1
COM
1
HO
1
LO
1
COM
1
VS
1
VTR
1
24V
1
12V
1
COM2
1
COM2
1
FB
1
COMP
1
2
JP3
Header 2
1
1
2
2
3
3
4
4
5
5
6
6
JP5
Header 6
Q2
STF13NM50N
Rgs2
D
N
P
Rbias2
D
N
P
Rg1
22
Rg2
22
Rled1
2.2k
Rled2
5.6k
RMAX
1
5
k
Rprl1
5
6
0
Rprl2
4
7
0
Rs1
33k
Rs2
0
Rs3
3.74k
Rs4
15k
Rs5
3.9k
RSS
3
.9
k
RT
18k
Rx1
4.7
Rx2
4.7
R1
D
N
P
Rbias1
2.2k
Rdisch
510K
270k
Rstart1
270k
Rstart2
270k
Rstart3
D5
1N4148
22
Rvcc
Dz
18V
9
7
14
17
20
11
13
19
2
5
18
12
TX
+
Cout4
1
m
F
/3
5
V
F
ig
u
re
1
–
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ti
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n
B
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c