9
dc1759af
DEMO MANUAL DC1759A
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
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
O
P
TIO
N
A
L
J
U
MP
E
R
FO
R 1 O
U
TP
UT CO
NFIG
URA
TIO
N
D
IF
F
SEN
SIN
G
SELEC
T
ION
VO
U
T
1
TTTT
Load Trans
ient Circ
uit
VO
U
T
2
TE
M
P
INT
V
CC
RUN1
RUN2
T
R
AC
K1
T
R
AC
K2
VF
B1
VF
B2
CO
MP
1
CO
MP
2
VO2-
DI
FFN
VO2+
DI
FFP
VOU
T
1S
VOU
T
1
VOU
T
2S
DIFFO
UT
VOU
T
1
VOU
T
2
SI
Z
E
DATE
:
IC
N
O
.
R
EV.
SH
EET
O
F
TI
TLE
:
A
PPR
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A
L
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PCB DES.
APP ENG.
T
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CHNO
L
O
G
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F
ax: (408)434-0507
M
ilp
it
as,
C
A
95035
Phone:
(
408)
432-
1900
1630 M
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CUSTOMER NOTICE
LI
NEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESI
GN A
CI
RCUI
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SUPPLI
E
D SPECI
FI
CATI
O
NS;
HOW
EVER,
IT
REMAI
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BI
LI
TY TO
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FY PROPER AND RELI
ABLE OPERATI
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THE ACTUAL
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COMPONENT SUBSTI
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ON AND PRI
N
TED
CI
RCUI
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GNI
F
ICANTLY AFFECT CI
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PERFORMANCE OR RELI
ABI
LI
TY.
CONTACT LI
NEAR
TECHNOLOGY APPLI
CATI
O
NS ENGI
NEERI
N
G FOR ASSI
STANCE.
THI
S
CI
RCUI
T I
S
PROPRI
ETARY TO LI
NEAR TECHNOLOGY AND
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CHE
MATI
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SUPPLI
ED FOR USE WI
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NEAR TECHNOLOGY PARTS.
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CALE
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NO
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www.lin
ea
r.c
o
m
2
Thursday,
N
ovember 15, 2012
22
HI
G
H
E
FFI
CI
E
NCY
, DUAL 1
3A
S
TE
P
-DO
WN MO
DULE
RE
G
U
LATO
R
LT
JI
AN L.
N/A
L
T
M
4620AEV
D
E
M
O
C
IR
C
U
IT 1759A
SI
Z
E
DATE
:
IC
N
O
.
R
EV.
SH
EET
O
F
TI
TLE
:
A
PPR
O
V
A
L
S
PCB DES.
APP ENG.
T
E
CHNO
L
O
G
Y
F
ax: (408)434-0507
M
ilp
it
as,
C
A
95035
Phone:
(
408)
432-
1900
1630 M
c
C
a
rt
h
y
B
lvd
.
L
T
C
C
o
n
fi
d
en
ti
al
-F
o
r C
u
sto
m
er
U
se O
n
ly
CUSTOMER NOTICE
LI
NEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESI
GN A
CI
RCUI
T THAT MEETS CUSTOMER-
SUPPLI
E
D SPECI
FI
CATI
O
NS;
HOW
EVER,
IT
REMAI
N
S THE CUSTOMER'S RESPONSI
BI
LI
TY TO
VERI
FY PROPER AND RELI
ABLE OPERATI
O
N I
N
THE ACTUAL
APPLI
CATI
O
N.
COMPONENT SUBSTI
TUTI
ON AND PRI
N
TED
CI
RCUI
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GNI
F
ICANTLY AFFECT CI
RCUI
T
PERFORMANCE OR RELI
ABI
LI
TY.
CONTACT LI
NEAR
TECHNOLOGY APPLI
CATI
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NEERI
N
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STANCE.
THI
S
CI
RCUI
T I
S
PROPRI
ETARY TO LI
NEAR TECHNOLOGY AND
S
CHE
MATI
C
SUPPLI
ED FOR USE WI
TH LI
NEAR TECHNOLOGY PARTS.
S
CALE
=
NO
NE
www.lin
ea
r.c
o
m
2
Thursday,
N
ovember 15, 2012
22
HI
G
H
E
FFI
CI
E
NCY
, DUAL 1
3A
S
TE
P
-DO
WN MO
DULE
RE
G
U
LATO
R
LT
JI
AN L.
N/A
L
T
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4620AEV
D
E
M
O
C
IR
C
U
IT 1759A
SI
Z
E
DATE
:
IC
N
O
.
R
EV.
SH
EET
O
F
TI
TLE
:
A
PPR
O
V
A
L
S
PCB DES.
APP ENG.
T
E
CHNO
L
O
G
Y
F
ax: (408)434-0507
M
ilp
it
as,
C
A
95035
Phone:
(
408)
432-
1900
1630 M
c
C
a
rt
h
y
B
lvd
.
L
T
C
C
o
n
fi
d
en
ti
al
-F
o
r C
u
sto
m
er
U
se O
n
ly
CUSTOMER NOTICE
LI
NEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESI
GN A
CI
RCUI
T THAT MEETS CUSTOMER-
SUPPLI
E
D SPECI
FI
CATI
O
NS;
HOW
EVER,
IT
REMAI
N
S THE CUSTOMER'S RESPONSI
BI
LI
TY TO
VERI
FY PROPER AND RELI
ABLE OPERATI
O
N I
N
THE ACTUAL
APPLI
CATI
O
N.
COMPONENT SUBSTI
TUTI
ON AND PRI
N
TED
CI
RCUI
T BOARD LAYOUT MAY SI
GNI
F
ICANTLY AFFECT CI
RCUI
T
PERFORMANCE OR RELI
ABI
LI
TY.
CONTACT LI
NEAR
TECHNOLOGY APPLI
CATI
O
NS ENGI
NEERI
N
G FOR ASSI
STANCE.
THI
S
CI
RCUI
T I
S
PROPRI
ETARY TO LI
NEAR TECHNOLOGY AND
S
CHE
MATI
C
SUPPLI
ED FOR USE WI
TH LI
NEAR TECHNOLOGY PARTS.
S
CALE
=
NO
NE
www.lin
ea
r.c
o
m
2
Thursday,
N
ovember 15, 2012
22
HI
G
H
E
FFI
CI
E
NCY
, DUAL 1
3A
S
TE
P
-DO
WN MO
DULE
RE
G
U
LATO
R
LT
JI
AN L.
N/A
L
T
M
4620AEV
D
E
M
O
C
IR
C
U
IT 1759A
E17
IO
ST
EP C
L
K
E17
IO
ST
EP C
L
K
R36
10K
R36
10K
R39
OPT
R39
OPT
R23
OPT
R23
OPT
J3
IOST
EP
J3
IOST
EP
Q1
SUD50N03-
09P
Q1
SUD50N03-
09P
2
1
3
4
R35
OPT
2010
R35
OPT
2010
C13
1uF
C13
1uF
R14
OPT
R14
OPT
J1J1
R11
OPT
R11
OPT
C14
1uF
C14
1uF
E18
GND
E18
GND
R34
0 O
H
m
0.5W
2010
R34
0 O
H
m
0.5W
2010
R28
OPT
R28
OPT
R38
OPT
2512
R38
OPT
2512
R33
OPT
R33
OPT
R40
OPT
R40
OPT
C16
1uF
C16
1uF
R17
OPT
R17
OPT
R37
0.015
2W
2512
R37
0.015
2W
2512
J2J2
R31
OPT
R31
OPT
C15
1uF
C15
1uF
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