7
dc1543afa
DEMO MANUAL DC1543A
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
A
A
B
B
IO
ST
EP
VO
U
T
L
atch
C
lear
0.
8V
1.
2V
1.
5V
1.
8V
3.
3V
5.
0V
6.
0V
VO
U
T
SEL
EC
T
OF
F
ON
RUN
TR
A
C
K
S
S
DCM
CCM
NO
N-
L
A
T
C
H
LA
TC
H
OF
F
ON
INP
U
T
UV
L
O
INP
U
T
OV
L
O
NO
N-
L
A
T
CH
INP
U
T
O
V
P
O
V
ER
-T
EM
P
0.
8V
- 6V
@10A
10V
10V
10V
10V
10V
MO
D
E
T
R
ACK/S
S
4.
5V
- 38V
ON
OF
F
ON
OF
F
DY
NAM
IC L
O
AD CIRCUIT
1.
0V
BE
HAV
IO
R
10V
F
SET
OP
T
OP
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W
ITH
IN
P
U
T A
N
D
OU
TP
U
T
OV
P
10
A
ST
EP-D
O
W
N
μ
M
O
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U
L
E R
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G
U
L
A
T
O
R
VO
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>
3.
0V
V
O
U
T
<=3.
0V
2.
A
L
L
C
A
P
A
C
IT
O
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A
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0603.
N
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1.
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A
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0603
CL
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INTV
CC
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+
VINL
INT
V
CC
INT
V
CC
VI
N
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1V
R
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F
1V
R
E
F
VO
+
VO
-
VO
+
INT
V
CC
VO
-
INT
V
CC
SI
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DAT
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cCart
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on
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M
ay 21,
2012
11
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.
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A
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T
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4641EY
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RCUI
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SI
Z
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DAT
E
:
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V
.
SH
EET
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TI
TLE
:
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V
AL
S
P
CB DE
S
.
A
PP EN
G
.
T
E
CHNOL
OGY
F
ax:
(
408)
434-
0507
M
ilp
it
as,
CA 95035
P
h
o
n
e: (408)432-1900
1630 M
cCart
h
y Bl
vd
.
LTC
C
onf
ide
n
ti
al
-For
C
u
st
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er
U
se
Only
CUST
O
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2012
11
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A
L
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4641EY
DEMO
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REVI
SI
O
N
HI
STO
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DESCRI
PTI
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D
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APPROVED
ECO
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EV
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AN L
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P
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N
2
6-22-11
__
REVI
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DESCRI
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APPROVED
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REVI
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R3
10K
R3
10K
JP
14
JP
14
1
2
3
R
32
10K
R
32
10K
JP
5
JP
5
R2
1
1.
18K
R2
1
1.
18K
+
CO
8
150u
F
+
CO
8
150u
F
TS
2
SW
TS
2
SW
E1
1
GN
D
E1
1
GN
D
JP
10
JP
10
1
2
3
E1
2
VO
+
E1
2
VO
+
R1
5
2.2
M
R1
5
2.2
M
E1
8
T
RACK
E1
8
T
RACK
E2
DRV
CC
E2
DRV
CC
RS
2
0.0
5
1%
2512
RS
2
0.0
5
1%
2512
R2
5
3.
16K
R2
5
3.
16K
R3
4
0
R3
4
0
R9
187k
R9
187k
C7
OP
T
C7
OP
T
C8
8.
2n
F
C8
8.
2n
F
JP
11
JP
11
1
2
3
R1
3
2.
49K
0.
1%
R1
3
2.
49K
0.
1%
JP
2
JP
2
Q2
S
i7164D
P
Q2
S
i7164D
P
2
4
5
6
7
8
1
3
JP
15
JP
15
1
2
3
CIN5CIN5
R5
100K
R5
100K
J6J6
1
2
3
4
5
E8
VI
N
+
E8
VI
N
+
R2
0
2.
94K
R2
0
2.
94K
JP
13
JP
13
1
2
3
JP
17
JP
17
1
2
3
JP
6
JP
6
Q1
S
U
D
50N
03-09P
-E
3
Q1
S
U
D
50N
03-09P
-E
3
1
2
3
E1
5
VO
-
E1
5
VO
-
+
CO
1
150u
F
+
CO
1
150u
F
R1
13.
7K
R1
13.
7K
R3
1
0
R3
1
0
RS
1
0.0
5
1%
2512
RS
1
0.0
5
1%
2512
R1
7
165K
R1
7
165K
+
CIN1 100u
F
50V
+
CIN1 100u
F
50V
E5
P
GOOD
E5
P
GOOD
R2
8
24.
9K
R2
8
24.
9K
E2
0
SG
N
D
E2
0
SG
N
D
E6
TE
MP
E6
TE
MP
J3
VO
U
T
J3
VO
U
T
R3
5
(O
P
T
)
R3
5
(O
P
T
)
J1
VI
N
J1
VI
N
R4
(OP
T
)
R4
(OP
T
)
E1
6
VO
R
B
+
E1
6
VO
R
B
+
C3
(OP
T
)
C3
(OP
T
)
J4
GN
D
J4
GN
D
R3
3
(OP
T
)
R3
3
(OP
T
)
JP
4
JP
4
R2
9
(OP
T
)
R2
9
(OP
T
)
CO
4
47u
F
1210
CO
4
47u
F
1210
J2
VI
N
-
J2
VI
N
-
CIN3
4.
7u
F
50V
1210
CIN3
4.
7u
F
50V
1210
R2
3
576
R2
3
576
JP
7
JP
7
E7
IO
ST
EP
E7
IO
ST
EP
C5
100p
F
C5
100p
F
C1
0
3.
3n
F
C1
0
3.
3n
F
R1
1
(OP
T
)
R1
1
(OP
T
)
R2
680k
R2
680k
U1
L
T
M
4641E
Y
U1
L
T
M
4641E
Y
VI
N
H
K7
VI
N
L
J3
UV
L
O
B4
H
YST
A4
OV
L
O
B5
IO
V
R
E
T
RY
A6
FSET
J2
VO
U
T
C9
VO
SN
S-
H2
V
O
RB-
D2
CRO
WBAR
B9
SGN
D
A3
SGN
D
A2
SGN
D
A1
GND
A7
1V
R
E
F
C6
O
VPG
M
B1
0
GN
D
B6
OT
B
H
D3
SGN
D
B1
SGN
D
B2
SGN
D
B3
SGN
D
C1
SGN
D
C2
SGN
D
C3
SGN
D
C4
SGN
D
K1
SGN
D
K3
SGN
D
L3
SGN
D
M1
SGN
D
M2
SGN
D
M3
GND
A8
GND
A9
GND
A10
GND
A11
GND
A12
GND
B7
GND
B8
GND
B11
GND
B12
GND
C7
GND
C8
GND
D6
GND
D7
GND
D8
GND
E1
GND
E2
GND
E3
GND
E4
GND
E5
GND
E6
GND
E7
GND
E8
GND
F1
GND
F2
GND
F3
GND
F4
GND
F5
GND
F6
GND
F7
GND
F8
GND
F9
GND
F10
GND
F11
GND
F12
GND
G1
GND
G2
GND
G3
GND
G4
GND
G5
GND
G6
GND
G7
GND
G8
GND
G9
GND
G10
GND
G11
GND
G12
GND
H3
GND
H4
GND
H5
GND
H8
GND
H7
GND
H6
GND
H12
GND
H11
GND
H9
GN
D
J5
GN
D
J6
GN
D
J7
GN
D
J8
GN
D
J12
GN
D
J11
GN
D
J10
GN
D
J9
GN
D
K5
GN
D
K6
GN
D
K1
2
GN
D
K1
1
GN
D
L4
GN
D
L5
GN
D
L6
GN
D
M4
GN
D
M5
GN
D
M6
VO
U
T
C1
0
VO
U
T
C1
1
VO
U
T
C1
2
VO
U
T
D9
VO
U
T
D1
0
VO
U
T
D1
1
VO
U
T
D1
2
VO
U
T
E9
VO
U
T
E1
0
VO
U
T
E1
1
VO
U
T
E1
2
VI
N
H
K8
VI
N
H
K9
VI
N
H
K1
0
VI
N
H
L7
VI
N
H
L8
VI
N
H
L9
VI
N
H
L1
0
VI
N
H
L1
1
VI
N
H
L1
2
VI
N
H
M7
VI
N
H
M8
VI
N
H
M1
1
VI
N
H
M1
2
FC
B
K2
TMR
D4
T
R
ACK/S
S
L2
RUN
D5
VI
N
G
M9
VI
N
G
P
M1
0
VO
SN
S+
H1
V
O
RB+
D1
DRVCC
J4
INTV
CC
K4
COM
P
J1
SW
H10
PGOOD
L1
TEMP
A5
_L
ATCH
C5
E1
7
V
O
RB-
E1
7
V
O
RB-
R3
6
(O
P
T
)
R3
6
(O
P
T
)
CO
3
47u
F
1210
CO
3
47u
F
1210
E1
9
RUN
E1
9
RUN
R1
2
10
R1
2
10
J5J5
1
2
3
4
5
R1
8
7.
15K
R1
8
7.
15K
C2
4.
7u
F
C2
4.
7u
F
C4
(OP
T
)
C4
(OP
T
)
R
7
100K
R
7
100K
R6
0
R6
0
R2
7
(OP
T
)
R2
7
(OP
T
)
JP
3
JP
3
C6
(OP
T
)
C6
(OP
T
)
D2
C
M
OZ
43V
D2
C
M
OZ
43V
2
1
R1
0
1.
78M
R1
0
1.
78M
R1
9
4.
12K
R1
9
4.
12K
R2
6
2.
49K
0.
1%
R2
6
2.
49K
0.
1%
TS
1
CO
M
P
TS
1
CO
M
P
Q3
P
H
2625L
Q3
P
H
2625L
1
2
5
3
4
R2
2
715
R2
2
715
TS
3
CRO
W
BAR
TS
3
CRO
W
BAR
CIN4
4.
7u
F
50V
1210
CIN4
4.
7u
F
50V
1210
CO
5
47u
F
1210
CO
5
47u
F
1210
R8
10
R8
10
JP
8
JP
8
R1
6
1M
R1
6
1M
C9
8.
2n
F
C9
8.
2n
F
+
CO
2
150u
F
+
CO
2
150u
F
R2
4
13K
R2
4
13K
JP
9
JP
9
1
2
3
+
CIN2 100u
F
50V
+
CIN2 100u
F
50V
JP
1
JP
1
JP
12
JP
12
1
2
3
JP
16
JP
16
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