9
dc1892afa
DEMO MANUAL DC1892A
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.
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
O
P
T
IO
NA
L
J
UM
P
E
R
F
O
R
1
O
UT
P
UT
CO
NF
IG
URA
T
IO
N
D
IF
F
S
E
N
S
IN
G
S
E
LE
C
T
IO
N
VO
U
T
1
L
O
A
D
T
RA
NS
IE
NT
CI
RCUI
T
VO
U
T
2
TE
M
P
INT
V
CC
RUN1
RUN2
T
RA
CK
1
T
RA
CK
2
VF
B1
VF
B2
CO
M
P
1
CO
M
P
2
V
O
2-
D
IFFN
V
O
2+
D
IFFP
V
O
U
T1
S
V
O
U
T1
V
O
U
T2
S
D
IFFO
U
T
V
O
U
T1
V
O
U
T2
S
IZ
E
DAT
E
:
IC
N
O.
R
EV
.
S
H
E
E
T
O
F
TI
TLE
:
A
PPR
O
VA
L
S
P
CB
DE
S
.
A
P
P
EN
G
.
T
E
C
H
N
OL
OGY
F
ax:
(
408)
434-
0507
M
ilp
it
as
, C
A
9
50
35
P
h
o
n
e:
(
408)
432-
1900
1630
M
cC
ar
th
y
B
lvd
.
LTC
C
onf
ide
nt
ia
l-
For
C
us
tom
er
U
se
O
nl
y
CUS
T
O
M
E
R
NO
T
ICE
L
INEAR
T
E
CHNO
L
O
G
Y
HAS
M
ADE
A
BE
ST
E
F
F
O
RT
T
O
DESI
G
N
A
CI
RCUI
T
T
HAT
M
E
ET
S
CUS
T
O
M
ER-
SUPP
L
IED
S
PECI
F
ICAT
IO
NS
;
H
O
W
E
V
ER
, I
T
R
E
M
A
IN
S
T
H
E
C
U
ST
O
M
E
R
'S
R
E
SP
O
N
S
IB
IL
IT
Y
T
O
VE
RI
F
Y
P
RO
P
ER
AND
RE
L
IABL
E
O
PERAT
IO
N
IN
T
HE
ACT
UAL
APP
L
ICAT
IO
N.
CO
M
PO
NENT
SUBST
IT
UT
IO
N
AND
P
RI
NT
ED
CI
RCUI
T
BO
ARD
L
AYO
UT
M
AY
SI
G
NI
F
ICANT
L
Y
AF
F
ECT
CI
RCU
IT
PE
RF
O
RM
ANCE
O
R
REL
IABI
L
IT
Y.
CO
NT
ACT
L
INE
AR
T
ECHNO
L
O
G
Y
APP
L
ICAT
IO
NS
E
NG
INEERI
NG
F
O
R
ASS
IST
ANCE.
T
HI
S
CI
RCUI
T
IS
PRO
PRI
ET
ARY
T
O
L
INEAR
T
E
CHNO
L
O
G
Y
AN
D
S
CHE
M
AT
IC
SUP
PL
IED
F
O
R
US
E
W
IT
H
L
INEAR
T
ECHNO
L
O
G
Y
PART
S.
S
CAL
E
=
NO
NE
w
w
w
.lin
ea
r.c
o
m
1
W
ed
nesd
ay,
M
ay
15,
2013
22
H
IGH
E
FF
IC
IE
N
C
Y
, D
U
A
L 1
8A
S
TE
P
-D
OW
N
M
OD
U
LE
R
E
G
UL
AT
O
R
LT
HAO
RAN
W
.
N
/A
L
T
M
4630E
V
DE
M
O
CI
RCUI
T
1
89
2A
S
IZ
E
DAT
E
:
IC
N
O.
R
EV
.
S
H
E
E
T
O
F
TI
TLE
:
A
PPR
O
VA
L
S
PCB
DE
S.
A
PP
EN
G
.
T
E
C
H
N
OL
OGY
F
ax:
(
408)
434-
0507
M
ilp
it
as
, C
A
9
50
35
P
h
o
n
e:
(
408)
432-
1900
1630
M
cC
ar
th
y
B
lvd
.
LTC
C
onf
ide
nt
ia
l-
For
C
us
tom
er
U
se
O
nl
y
CUS
T
O
M
E
R
NO
T
ICE
L
INEAR
T
E
CHNO
L
O
G
Y
HAS
M
ADE
A
BE
ST
E
F
F
O
RT
T
O
DESI
G
N
A
CI
RCUI
T
T
HAT
M
E
ET
S
CUS
T
O
M
ER-
SUPP
L
IED
S
PECI
F
ICAT
IO
NS
;
H
O
W
E
V
ER
, I
T
R
E
M
A
IN
S
T
H
E
C
U
ST
O
M
E
R
'S
R
E
SP
O
N
S
IB
IL
IT
Y
T
O
VE
RI
F
Y
P
RO
P
ER
AND
RE
L
IABL
E
O
PERAT
IO
N
IN
T
HE
ACT
UAL
APP
L
ICAT
IO
N.
CO
M
PO
NENT
SUBST
IT
UT
IO
N
AND
P
RI
NT
ED
CI
RCUI
T
BO
ARD
L
AYO
UT
M
AY
SI
G
NI
F
ICANT
L
Y
AF
F
ECT
CI
RCU
IT
PE
RF
O
RM
ANCE
O
R
REL
IABI
L
IT
Y.
CO
NT
ACT
L
INE
AR
T
ECHNO
L
O
G
Y
APP
L
ICAT
IO
NS
E
NG
INEERI
NG
F
O
R
ASS
IST
ANCE.
T
HI
S
CI
RCUI
T
IS
PRO
PRI
ET
ARY
T
O
L
INEAR
T
E
CHNO
L
O
G
Y
AN
D
S
CHE
M
AT
IC
SUP
PL
IED
F
O
R
US
E
W
IT
H
L
INEAR
T
ECHNO
L
O
G
Y
PART
S.
S
CAL
E
=
NO
NE
w
w
w
.lin
ea
r.c
o
m
1
W
ed
nesd
ay,
M
ay
15,
2013
22
H
IGH
E
FF
IC
IE
N
C
Y
, D
U
A
L 1
8A
S
TE
P
-D
OW
N
M
OD
U
LE
R
E
G
UL
AT
O
R
LT
HAO
RAN
W
.
N
/A
L
T
M
4630E
V
DE
M
O
CI
RCUI
T
1
89
2A
S
IZ
E
DAT
E
:
IC
N
O.
R
EV
.
S
H
E
E
T
O
F
TI
TLE
:
A
PPR
O
VA
L
S
PCB
DE
S.
A
PP
EN
G
.
T
E
C
H
N
OL
OGY
F
ax:
(
408)
434-
0507
M
ilp
it
as
, C
A
9
50
35
P
h
o
n
e:
(
408)
432-
1900
1630
M
cC
ar
th
y
B
lvd
.
LTC
C
onf
ide
nt
ia
l-
For
C
us
tom
er
U
se
O
nl
y
CUS
T
O
M
E
R
NO
T
ICE
L
INEAR
T
E
CHNO
L
O
G
Y
HAS
M
ADE
A
BE
ST
E
F
F
O
RT
T
O
DESI
G
N
A
CI
RCUI
T
T
HAT
M
E
ET
S
CUS
T
O
M
ER-
SUPP
L
IED
S
PECI
F
ICAT
IO
NS
;
H
O
W
E
V
ER
, I
T
R
E
M
A
IN
S
T
H
E
C
U
ST
O
M
E
R
'S
R
E
SP
O
N
S
IB
IL
IT
Y
T
O
VE
RI
F
Y
P
RO
P
ER
AND
RE
L
IABL
E
O
PERAT
IO
N
IN
T
HE
ACT
UAL
APP
L
ICAT
IO
N.
CO
M
PO
NENT
SUBST
IT
UT
IO
N
AND
P
RI
NT
ED
CI
RCUI
T
BO
ARD
L
AYO
UT
M
AY
SI
G
NI
F
ICANT
L
Y
AF
F
ECT
CI
RCU
IT
PE
RF
O
RM
ANCE
O
R
REL
IABI
L
IT
Y.
CO
NT
ACT
L
INE
AR
T
ECHNO
L
O
G
Y
APP
L
ICAT
IO
NS
E
NG
INEERI
NG
F
O
R
ASS
IST
ANCE.
T
HI
S
CI
RCUI
T
IS
PRO
PRI
ET
ARY
T
O
L
INEAR
T
E
CHNO
L
O
G
Y
AN
D
S
CHE
M
AT
IC
SUP
PL
IED
F
O
R
US
E
W
IT
H
L
INEAR
T
ECHNO
L
O
G
Y
PART
S.
S
CAL
E
=
NO
NE
w
w
w
.lin
ea
r.c
o
m
1
W
ed
nesd
ay,
M
ay
15,
2013
22
H
IGH
E
FF
IC
IE
N
C
Y
, D
U
A
L 1
8A
S
TE
P
-D
OW
N
M
OD
U
LE
R
E
G
UL
AT
O
R
LT
HAO
RAN
W
.
N
/A
L
T
M
4630E
V
DE
M
O
CI
RCUI
T
1
89
2A
R3
8
O
PT
2512
R3
8
O
PT
2512
R3
9
O
PT
R3
9
O
PT
E
18
G
ND
E
18
G
ND
R3
4
0 O
H
m
0.5W
2010
R3
4
0 O
H
m
0.5W
2010
R1
1
O
PT
R1
1
O
PT
E
17
IO
ST
EP
C
L
K
E
17
IO
ST
EP
C
L
K
R4
0
O
PT
R4
0
O
PT
C1
4
0.01uF
C1
4
0.01uF
R3
7
0.015
1W
2512
R3
7
0.015
1W
2512
R3
3
O
PT
R3
3
O
PT
R2
3
O
PT
R2
3
O
PT
Q1
S
U
D
50N
03-
09P
Q1
S
U
D
50N
03-
09P
2
1
3
4
J2J2
R3
5
O
PT
2010
R3
5
O
PT
2010
R2
8
O
PT
R2
8
O
PT
R3
6
10K
R3
6
10K
R1
4
O
PT
R1
4
O
PT
R3
1
O
PT
R3
1
O
PT
J3
IO
ST
EP
J3
IO
ST
EP
C1
6
1uF
C1
6
1uF
C1
5
1uF
C1
5
1uF
C1
3
0.01uF
C1
3
0.01uF
J1J1
R1
7
O
PT
R1
7
O
PT
schematic Diagram