W
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C
h
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g
w
w
w
.s
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m
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c
h
.c
o
m
1
0
o
f
1
7
U
s
e
r
G
u
id
e
R
e
v
1
.0
3
T
S
D
M
R
X
-1
9
V
2
0
W
-E
V
M
S
e
m
te
c
h
EN_LOAD
VSW
1
VCC
2
VCC
3
GND
4
FB
5
PG
8
EN
9
BST
10
VCC
11
VSW
12
VSW
13
PGND
14
PGND
15
VSW
16
PAD
17
U4
TS30042-M000QFNR
100nF
50V
C25
10K
R20
47nF
C22
205K
R18
VOUT
I_LIMIT
10K
R22
100nF
10V
C30
100K
R23
PDC
EN_LOAD
22nF
50V
C18
NP
C13
VAC1
VAC2
1nF
50V
C12
47nF 50V
C6
VAC2
100K
R16
VAC1
EN_MOD2
0.04
1%
R11
PDC
47nF 50V
C11
10nF 50V
C15
AC
1
AC
2
COIL
J3
24uH
100K
R17
EN_MOD1
MIN_LD1
500
R14
PDC
100nF
50V
C9
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
ZERO_CROSS
MIN_LD1
EN_MOD1
DC_CURRENT
10K
R19
PGND
TP1
PDC
TP2
VAC1
4.7uH
2.6A
L1
VOUT
1
VOUT
2
GND
3
PWR
GND
4
J4
19V OUT
10K
R13
ZERO_CROSS
4.7nF
50V
C20
22nF
50V
C19
4.7nF
50V
C21
EN_MOD2
PGND
PGND
PGND
PGND
PGND
PGND
Q2
Q3
Q4
Q5
Q6
Q1
2K
R15
PDC
10uF
50V
C7
10uF
50V
C8
10uF
50V
C23
10uF
50V
C24
PGND
GND
TIE2
TIE1
NP
Q8
PGND
10K
NP
R21
VOUT_HI
VOUT_HI
10uF
25V
C26
10uF
25V
C27
10uF
25V
C28
10uF
25V
C29
TP3
VAC2
VCC3V3
D7
VSS
4
VDD
5
INP
7
INM
6
OUT
8
VOS_REF
1
EN
2
VDDR
3
U3
TS94033
1K
R12
100nF
C16
DC_CURRENT
10nF
10V
C17
GND
VCC3V3
100nF
C14
10nF
10V
C10
D5
D6
VCC3V3
D3
D4
MIN_LD2
PGND
MIN_LD2
Q7
TIE3
GND