5
dc1623af
DEMO MANUAL DC1623A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAM
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
1.
ALL C
APAC
IT
OR
S A
N
D
R
ESI
STOR
S AR
E 0603.
N
O
TES: U
N
L
ESS O
T
H
E
R
W
ISE SPEC
IFIED
,
TTTT
3.
3V /
3A
RUN /
SS
OFF
ON
5.
5V - 36V
R
1%
1%
1%
1%
U
L
T
R
A LOW
N
O
ISE,
EM
C
C
O
M
P
LI
AN
T
3
6
V
, 3
A
DC/DC MO
DUL
E
SY
NC
SY
NC ON
BURST
M
O
DE
O
P
TIO
N
A
L
CIRCUIT
1210
0805
1206
100M
V12AX
1206
100M
V12AX
1210
VI
N
6,=(
'$7(
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&86720(5127,&(
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&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6&+(0$7,&
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
2
F
riday
, J
une 25,
2010
0,
EDWIN L.
N/
A
LT
M8033EV
DEMO CI
RCUI
T 1623A
6,=(
'$7(
,&12
5(9
6+((7
2)
7,7/(
&2175$&712
$33529$/6
3&%'(6
(1*
T
E
CHNO
LO
G
Y
)D[
0LOSLWDV&$ 3KRQH
0F&DUWK\%OYG
/7&&RQILGHQWLDO)RU&XVWRPHU8VH2QO\
&86720(5127,&(
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6&+(0$7,&
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
2
F
riday
, J
une 25,
2010
0,
EDWIN L.
N/
A
LT
M8033EV
DEMO CI
RCUI
T 1623A
6,=(
'$7(
,&12
5(9
6+((7
2)
7,7/(
&2175$&712
$33529$/6
3&%'(6
(1*
T
E
CHNO
LO
G
Y
)D[
0LOSLWDV&$ 3KRQH
0F&DUWK\%OYG
/7&&RQILGHQWLDO)RU&XVWRPHU8VH2QO\
&86720(5127,&(
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6&+(0$7,&
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
2
F
riday
, J
une 25,
2010
0,
EDWIN L.
N/
A
LT
M8033EV
DEMO CI
RCUI
T 1623A
R
E
VI
SI
O
N
H
ISTO
R
Y
DESCRI
PT
IO
N
D
AT
E
APPROVED
ECO
R
EV
EDW
IN LI
PRODUCT
IO
N
2
04/
19/
10
R
E
VI
SI
O
N
H
ISTO
R
Y
DESCRI
PT
IO
N
D
AT
E
APPROVED
ECO
R
EV
EDW
IN LI
PRODUCT
IO
N
2
04/
19/
10
R
E
VI
SI
O
N
H
ISTO
R
Y
DESCRI
PT
IO
N
D
AT
E
APPROVED
ECO
R
EV
EDW
IN LI
PRODUCT
IO
N
2
04/
19/
10
JP1JP1
1
2
3
R2
93.
1k
R2
93.
1k
C3 0.
22uF
50V
C3 0.
22uF
50V
C6
10uF
C6
10uF
R5
10k
R5
10k
E3
GN
D
E3
GN
D
L1
OPT
L1
OPT
R4
100k
R4
100k
E9
SYN
C
E9
SYN
C
E5
GN
D
E5
GN
D
E4
GN
D
E4
GN
D
+
C5
OPT
+
C5
OPT
E8
PGOOD
E8
PGOOD
R1
100k
R1
100k
E2
VOU
T
E2
VOU
T
JP2JP2
1
2
3
R3
154k
R3
154k
C2
100uF
10V
C2
100uF
10V
E6
BIAS
E6
BIAS
J4
GN
D
J4
GN
D
C1
4.
7uF
50V
C1
4.
7uF
50V
J3
VOU
T
J3
VOU
T
E1
VI
N
E1
VI
N
E7
RUN/S
S
E7
RUN/S
S
C4
OPT
C4
OPT
J1
VI
N
J1
VI
N
U1
LT
M
8
033EV
U1
LT
M
8
033EV
RUN/
SS
G8
GND
A8
GND
A4
PGOOD
B7
ADJ
A7
BI
AS
G4
VOUT
D1
SY
NC
B8
VAUX
G3
VI
N
J1
RT
B6
VI
N
J2
VI
N
J3
VI
N
K1
VI
N
K2
VI
N
K3
VIN
L1
VIN
L2
VIN
L3
VOUT
D2
VOUT
D3
VOUT
A1
VOUT
A2
VOUT
A3
VOUT
B1
VOUT
B2
VOUT
B3
VOUT
C1
VOUT
C2
VOUT
C3
FIN
J8
FIN
L8
FIN
K8
GND
A5
GND
B4
GND
B5
GND
C4
GND
C5
GND
C6
GND
C7
GND
C8
GND
D4
GND
D5
GND
D6
GND
D7
GND
D8
GND
E1
GND
E2
GND
E3
GND
E4
GND
E5
GND
K5
GND
K6
GND
L5
GND
E6
GND
E7
GND
E8
GND
F1
GND
F2
GND
F3
GND
F4
GND
F5
GND
F6
GND
F7
GND
F8
GND
G1
GND
G2
GND
G5
GND
G6
GND
G7
GND
H5
GND
H6
GND
J5
GND
J6
GND
L6
SHARE
A6
+
22uF
CI
N1
50V
+
22uF
CI
N1
50V
E10
S
HARE
E10
S
HARE
J2
GN
D
J2
GN
D
