9
dc1601bf
DEMO MANUAL DC1601B
SCHEMATIC DIAGRAM
A
A
B
B
A
A
B
B
ON
OFF
DCM
CCM
BS (
B
U
R
S
T
/SKI
P_
C
Y
C
L
E)
OFF
SSO
(
S
O
F
T
ST
AR
T
O
N
)
LO
(
L
DO
O
N
)
12V
MO
D
E
RUN
ST
AR
T
6V
-
36V
50V
5.
5V
-
7V
TOK
O
F
D
A
1
254
16V
DC1601B
-A
*
ASSY
DC1601B
-B
DC1601B
-C
CI
N1 -
CI
N12
C
IN
15 -
CI
N16
C10
OP
T
O
P
T
4.
7uF
4.
7uF
OP
T
4.
7uF
OP
T
OP
T
22pF
R4
0
0
OP
T
R5
154K
205K
154K
L3
L4
OP
T
3.
3uH
3.
3uH
OP
T
OP
T
3.
3uH
C8
OP
T
22pF
22pF
CO
17 -
CO
18
OP
T
22uF
22uF
CO
25 -
CO
26
OP
T
OP
T
22uF
VO
U
T
10A
MA
X
15A
MA
X
20A
MA
X
0.
015
0.
015
R14 -
R17
R
22
1.
78K
2.
37K
0.
015
OP
T
3.
57K
OP
T
OP
T
OP
T
RS
5-
RS
6
0
0
RS
7-
RS
8
*
R18 -
R21
OP
T
OP
T
0
U3
U1
U5
U4
LT
M4607E
V
L
T
M
4607E
V
LT
M4607E
V
L
T
M
4607E
V
L
T
M
4607E
V
LT
M4607E
V
L
T
M
4607E
V
LT
M4607E
V
L
T
M
4607E
V
1
VF
B
FC
B
IN
T
V
C
C
VO
U
T
VI
N
ST
NDBY
RUN
VO
U
T
VSS
IN
T
V
C
C
+5
V
+5
V
+5
V
+5
V
VI
N
+5
V
+5
V
PH
0
PH
2
PH
1
PH
3
PH
0
VI
N
RUN
VSS
VO
U
T
VF
B
FC
B
CO
M
P
EX
T
V
C
C
S
T
NDB
Y
R
EVI
SI
O
N
H
IST
O
R
Y
DESCRI
PTI
O
N
DATE
APPROVED
ECO
R
EV
SAM
Y.
PRODUCT
ION
1
7
-20-
11
R
EVI
SI
O
N
H
IST
O
R
Y
DESCRI
PTI
O
N
DATE
APPROVED
ECO
R
EV
SAM
Y.
PRODUCT
ION
1
7
-20-
11
R
EVI
SI
O
N
H
IST
O
R
Y
DESCRI
PTI
O
N
DATE
APPROVED
ECO
R
EV
SAM
Y.
PRODUCT
ION
1
7
-20-
11
SIZ
E
DAT
E:
IC NO
.
R
EV.
SH
EET
O
F
TITLE:
A
PPR
O
V
A
L
S
P
CB DE
S
.
A
PP EN
G
.
T
E
CHNO
L
O
G
Y
F
ax: (408)434-0507
M
il
p
it
as,
CA 95035
P
h
o
n
e
: (
408)
432-
1900
1630 M
cCar
th
y Bl
vd
.
L
T
C Co
n
fi
d
en
ti
al
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r Cu
sto
m
er
Use O
n
ly
CUSTOMER NOTI
CE
LI
NE
AR TE
CHNO
LO
G
Y
HAS
MADE
A BE
S
T
E
FFO
RT TO
DE
S
IG
N
A
CI
RCUI
T THAT ME
E
T
S
CUS
TO
ME
R-
S
U
P
P
L
IE
D
SPEC
IF
IC
A
T
IO
N
S
;
H
O
W
EVER
, I
T
R
E
M
A
IN
S T
H
E C
U
S
T
O
M
E
R
'S R
ESPO
N
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IB
IL
IT
Y T
O
V
E
R
IF
Y
P
R
O
P
E
R
AND RE
LI
ABLE
O
P
E
R
ATI
O
N I
N
THE
ACTUAL
AP
P
L
ICATI
O
N.
CO
M
P
O
N
E
N
T S
U
BS
TI
TUTI
O
N
AND P
R
IN
TE
D
CI
RCUI
T BO
ARD LAY
O
UT MAY
S
IG
N
IF
ICANTLY
AFFE
CT CI
RCUI
T
P
E
R
FO
RMANCE
O
R
RE
LI
ABI
LI
TY
. CO
NTACT LI
NE
AR
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LO
G
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P
L
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O
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E
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E
R
IN
G
FO
R AS
S
IS
T
ANCE
.
THI
S
CI
RCUI
T I
S
P
R
O
P
RI
E
T
ARY
TO
LI
NE
AR TE
CHNO
LO
G
Y
AND
SCHEM
A
T
IC
S
U
P
P
L
IE
D FO
R US
E
W
ITH LI
NE
AR TE
CHNO
LO
G
Y
P
ARTS
.
SCAL
E =
NONE
w
w
w
.lin
e
a
r.c
o
m
1
F
ri
day
, F
ebr
uar
y
03,
2012
13
HI
G
H
DENSI
T
Y PO
L
YPHASE BUCK-
B
O
O
S
T PO
W
E
R u
M
O
DUL
E
HZ
SAM Y.
N/
A
LT
M4607E
V
DE
MO
CI
RCUI
T
1601B
SIZ
E
DAT
E:
IC NO
.
R
EV.
SH
EET
O
F
TITLE:
A
PPR
O
V
A
L
S
P
CB DE
S
.
A
PP EN
G
.
T
E
CHNO
L
O
G
Y
F
ax: (408)434-0507
M
il
p
it
as,
CA 95035
P
h
o
n
e
: (
408)
432-
1900
1630 M
cCar
th
y Bl
vd
.
L
T
C Co
n
fi
d
en
ti
al
-F
o
r Cu
sto
m
er
Use O
n
ly
CUSTOMER NOTI
CE
LI
NE
AR TE
CHNO
LO
G
Y
HAS
MADE
A BE
S
T
E
FFO
RT TO
DE
S
IG
N
A
CI
RCUI
T THAT ME
E
T
S
CUS
TO
ME
R-
S
U
P
P
L
IE
D
SPEC
IF
IC
A
T
IO
N
S
;
H
O
W
EVER
, I
T
R
E
M
A
IN
S T
H
E C
U
S
T
O
M
E
R
'S R
ESPO
N
S
IB
IL
IT
Y T
O
V
E
R
IF
Y
P
R
O
P
E
R
AND RE
LI
ABLE
O
P
E
R
ATI
O
N I
N
THE
ACTUAL
AP
P
L
ICATI
O
N.
CO
M
P
O
N
E
N
T S
U
BS
TI
TUTI
O
N
AND P
R
IN
TE
D
CI
RCUI
T BO
ARD LAY
O
UT MAY
S
IG
N
IF
ICANTLY
AFFE
CT CI
RCUI
T
P
E
R
FO
RMANCE
O
R
RE
LI
ABI
LI
TY
. CO
NTACT LI
NE
AR
TE
CHNO
LO
G
Y
AP
P
L
ICATI
O
NS
E
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INE
E
R
IN
G
FO
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S
IS
T
ANCE
.
THI
S
CI
RCUI
T I
S
P
R
O
P
RI
E
T
ARY
TO
LI
NE
AR TE
CHNO
LO
G
Y
AND
SCHEM
A
T
IC
S
U
P
P
L
IE
D FO
R US
E
W
ITH LI
NE
AR TE
CHNO
LO
G
Y
P
ARTS
.
SCAL
E =
NONE
w
w
w
.lin
e
a
r.c
o
m
1
F
ri
day
, F
ebr
uar
y
03,
2012
13
HI
G
H
DENSI
T
Y PO
L
YPHASE BUCK-
B
O
O
S
T PO
W
E
R u
M
O
DUL
E
HZ
SAM Y.
N/
A
LT
M4607E
V
DE
MO
CI
RCUI
T
1601B
SIZ
E
DAT
E:
IC NO
.
R
EV.
SH
EET
O
F
TITLE:
A
PPR
O
V
A
L
S
P
CB DE
S
.
A
PP EN
G
.
T
E
CHNO
L
O
G
Y
F
ax: (408)434-0507
M
il
p
it
as,
CA 95035
P
h
o
n
e
: (
408)
432-
1900
1630 M
cCar
th
y Bl
vd
.
L
T
C Co
n
fi
d
en
ti
al
-F
o
r Cu
sto
m
er
Use O
n
ly
CUSTOMER NOTI
CE
LI
NE
AR TE
CHNO
LO
G
Y
HAS
MADE
A BE
S
T
E
FFO
RT TO
DE
S
IG
N
A
CI
RCUI
T THAT ME
E
T
S
CUS
TO
ME
R-
S
U
P
P
L
IE
D
SPEC
IF
IC
A
T
IO
N
S
;
H
O
W
EVER
, I
T
R
E
M
A
IN
S T
H
E C
U
S
T
O
M
E
R
'S R
ESPO
N
S
IB
IL
IT
Y T
O
V
E
R
IF
Y
P
R
O
P
E
R
AND RE
LI
ABLE
O
P
E
R
ATI
O
N I
N
THE
ACTUAL
AP
P
L
ICATI
O
N.
CO
M
P
O
N
E
N
T S
U
BS
TI
TUTI
O
N
AND P
R
IN
TE
D
CI
RCUI
T BO
ARD LAY
O
UT MAY
S
IG
N
IF
ICANTLY
AFFE
CT CI
RCUI
T
P
E
R
FO
RMANCE
O
R
RE
LI
ABI
LI
TY
. CO
NTACT LI
NE
AR
TE
CHNO
LO
G
Y
AP
P
L
ICATI
O
NS
E
N
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INE
E
R
IN
G
FO
R AS
S
IS
T
ANCE
.
THI
S
CI
RCUI
T I
S
P
R
O
P
RI
E
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ARY
TO
LI
NE
AR TE
CHNO
LO
G
Y
AND
SCHEM
A
T
IC
S
U
P
P
L
IE
D FO
R US
E
W
ITH LI
NE
AR TE
CHNO
LO
G
Y
P
ARTS
.
SCAL
E =
NONE
w
w
w
.lin
e
a
r.c
o
m
1
F
ri
day
, F
ebr
uar
y
03,
2012
13
HI
G
H
DENSI
T
Y PO
L
YPHASE BUCK-
B
O
O
S
T PO
W
E
R u
M
O
DUL
E
HZ
SAM Y.
N/
A
LT
M4607E
V
DE
MO
CI
RCUI
T
1601B
C14
(O
P
T
)
C14
(O
P
T
)
C2
(OP
T
)
C2
(OP
T
)
D1
CMDZ5230B
D1
CMDZ5230B
2
1
TP
8
VO
-
TP
8
VO
-
TP
5
GN
D
TP
5
GN
D
JP1JP1
1
2
3
CI
N2
4.
7uF
50V
CI
N2
4.
7uF
50V
CP
1
(OP
T
)
CP
1
(OP
T
)
CO
7
(OP
T
)
16V
CO
7
(OP
T
)
16V
CI
N4
(OP
T
)
CI
N4
(OP
T
)
L1
3.
3uH
L1
3.
3uH
RS
1
0.
015
RS
1
0.
015
U1
*
U1
*
VI
N
L12
VI
N
K1
1
VI
N
J1
0
VI
N
M1
0
VI
N
L11
VI
N
L10
VI
N
K1
2
VI
N
J1
1
VI
N
J1
2
VI
N
K1
0
GND
C11
GND
C10
GND
C9
GND
C8
GND
C7
GND
C5
GND
C4
GND
C3
GND
C2
GND
C1
GND
B4
GND
B3
GND
B2
GND
C6
GND
B1
GND
A3
GND
A2
GND
A1
VOU
T
G2
VOU
T
G3
VOU
T
G4
VOU
T
H1
VOU
T
H2
VOU
T
H3
VOU
T
H4
CO
M
P
B7
EXT
VC
C
F6
SS
A6
R
SEN
SE
G5
GND
C12
GND
D1
GND
D2
GND
D3
GND
D4
GND
D9
GND
D8
GND
D7
GND
D6
GND
D5
GND
D10
VF
B
B6
SW1
J1
SW2
J8
VOU
T
G1
VO
U
T
E2
VO
U
T
E1
VI
N
M1
1
VI
N
M1
2
INT
V
CC
F5
P
GOOD
B5
RUN
A8
P
LLF
LT
R
B8
P
LLI
N
B9
FC
B
A9
ST
NDBY
A10
SGN
D
A7
GND
D11
GND
D12
GND
E3
GND
E4
GND
E5
GND
E6
GND
E7
GND
E8
GND
E9
GND
E10
GND
E11
GND
E12
GND
A11
GND
A12
GND
B10
GND
B11
GND
B12
SEN
SE+
A4
SEN
SE-
A5
R
SEN
SE
G6
R
SEN
SE
G7
R
SEN
SE
G8
R
SEN
SE
G9
R
SEN
SE
G1
0
R
SEN
SE
G1
1
R
SEN
SE
G1
2
R
SEN
SE
H5
R
SEN
SE
H6
R
SEN
SE
H7
R
SEN
SE
H8
R
SEN
SE
H9
R
SEN
SE
H10
R
SEN
SE
H11
R
SEN
SE
H12
R
SEN
SE
J5
R
SEN
SE
J6
R
SEN
SE
J7
R
SEN
SE
K5
R
SEN
SE
K6
R
SEN
SE
L5
R
SEN
SE
L6
R
SEN
SE
M5
R
SEN
SE
M6
R
SEN
SE
F1
0
R
SEN
SE
F1
1
R
SEN
SE
F1
2
VO
U
T
F1
VO
U
T
F2
VO
U
T
F3
VOU
T
F4
SW1
J2
SW1
J3
SW1
J4
SW1
K1
SW1
K2
SW1
K3
SW1
K4
SW1
L1
SW1
L2
SW1
L3
SW1
L4
SW1
M1
SW1
M2
SW1
M3
SW1
M4
SW2
J9
SW2
K7
SW2
K8
SW2
K9
SW2
L7
SW2
L8
SW2
L9
SW2
M7
SW2
M8
SW2
M9
NC
F8
NC
F9
NC
F7
R3
(OP
T
)
R3
(OP
T
)
RUV
LO
1
(OP
T
)
RUV
LO
1
(OP
T
)
R8
100
R8
100
R6
100
R6
100
RS
2
0.
015
RS
2
0.
015
C
FF1
(OP
T
)
C
FF1
(OP
T
)
R9
100
R9
100
TP
3
VO
+
TP
3
VO
+
CO
2
180uF
16V
CO
2
180uF
16V
R2 5.
1K
R2 5.
1K
TP
9
EX
T
V
C
C
TP
9
EX
T
V
C
C
JP3JP3
1
2
3
4
CI
N5
(OP
T
)
CI
N5
(OP
T
)
TP
1
VI
N
TP
1
VI
N
CO
4
22uF
16V
CO
4
22uF
16V
TP
1
2
SG
N
D
TP
1
2
SG
N
D
R5
*
1%
R5
*
1%
TP
2
VI
N
+
TP
2
VI
N
+
R22
*
R22
*
TP
1
0
P
GOOD
TP
1
0
P
GOOD
TP
6
VI
N
-
TP
6
VI
N
-
TP
1
1
SO
F
T
ST
AR
T
TP
1
1
SO
F
T
ST
AR
T
CO
1
22uF
16V
CO
1
22uF
16V
JP2JP2
1
2
3
4
U2
LT
C6902CMS
U2
LT
C6902CMS
V+
1
DIV
2
PH
3
OU
T1
4
OU
T2
5
OU
T3
6
OU
T4
7
GN
D
8
MO
D
9
SET
10
CI
N3
4.
7uF
50V
CI
N3
4.
7uF
50V
C
SS1
10nF
C
SS1
10nF
TP
7
GND
TP
7
GND
C3
22pF
C3
22pF
TP
4
VO
U
T
TP
4
VO
U
T
R23
0
R23
0
+
CI
N1
100uF
+
CI
N1
100uF
CO
5
(OP
T
)
CO
5
(OP
T
)
C1
(O
P
T
)
10V
C1
(O
P
T
)
10V
R7
100
R7
100
R4
*
R4
*
R1
100K
R1
100K
C4
0.
1uF
C4
0.
1uF
CO
3
180uF
16V
CO
3
180uF
16V