Linear Technology DC1472A, Demo Manual

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7
dc1472af
DEMO MANUAL DC1472A
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 representation
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
1. A
LL R
E
S
IS
T
OR
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A
R
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IN
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MS
, 0603.
ALL CAPACITO
RS
ARE IN MI
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FARADS, 0603.
N
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N
L
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R
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2.
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REVI
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DESCRIPT
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DAT
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PR
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03-
15-
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APPRO
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SA
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PR
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03-
15-
10
J6
IOST
EP
J6
IOST
EP
R1
9
11.5k R1
9
11.5k
C6 10u
F
35V 1210 C6 10u
F
35V 1210
JP8 2.5V JP8 2.5V
E2
EXT
VC
C
E2
EXT
VC
C
R1
8
19.1k R1
8
19.1k
C1
6
OPT
C1
6
OPT
R3 10k R3 10k
C1
3
OPT 1210 C1
3
OPT 1210
JP7 1.8V JP7 1.8V
C1
7
1u
F
10V C1
7
1u
F
10V
TP
1
TP 1
C1
9
OPT C1
9
OPT
R1
7
28.7k R1
7
28.7k
R1
1
10k R1
1
10k
C3 OPT C3 OPT
C2
0
0.1u
F
C2
0
0.1u
F
E7
TRACK
E7
TRACK
R9 0.01 2512 R9 0.01 2512
JP5
1.2V
JP5
1.2V
E1
PGOOD
E1
PGOOD
R1
6
48.7k R1
6
48.7k
JP4
RUN
OF
F
ON
JP4
RUN
OF
F
ON
1 3 2
J3
VOU
T
6A
M
A
X
J3
VOU
T
6A
M
A
X
C4
OPT
C4
OPT
E9
SGN
D
E9
SGN
D
J1
VIN
4.5V -
26.5V
J1
VIN
4.5V -
26.5V
C1 OPT C1 OPT
C1
2
47u
F
10V 1210 C1
2
47u
F
10V 1210
E3
VIN
E3
VIN
U1
LTM4618E
V
U1
LTM4618E
V
GN
D
A4
GND
F6
GND
F7
GND
F5
GND
F4
GND
F3
GND
F2
GND
F1
GND
G7
GND
G6
NC
A1
INT VC C
D3
GND
G5
GND
G4
GN
D
E4
VIN
A5
SW
K6
VIN
A6
VIN
A7
VOU
T
J1
VOU
T
J2
VIN
B5
VIN
B6
VIN
B7
VIN
C5
VIN
C6
VIN
C7
VOU
T
J3
VOU
T
J4
PLLFLTR
A2
TRACK/
S
S
B1
VOU
T
K1
VOU
T
K2
VOU
T
K3
RUN
B2
VF
B
D1
GN
D
E3
PGOOD
D2
GN
D
E2
GN
D
E1
VOU
T
K4
VOU
T
L1
VOU
T
L2
GN
D
D7
GN
D
D6
GN
D
D5
GN
D
D4
GN
D
B4
GND
G3
GND
G2
GND
G1
VOU
T
L3
VOU
T
L4
VOU
T
M1
VOU
T
M2
VOU
T
M3
VOU
T
M4
GN
D
E5
GN
D
E6
GN
D
E7
GND
H1
GND
H2
GND
H3
GND
H4
GND
H5
GND
H6
GND
H7
GN
D
J5
GN
D
J6
GN
D
J7
GN
D
K5
GN
D
K7
GN
D
L5
GN
D
L6
GN
D
L7
GN
D
M5
GN
D
M6
GN
D
M7
SGN
D
B3
SGN
D
C2
SGN
D
C3
P
LLI
N
A3
CO
MP
C1
EXTVC C
C4
C1
5
1uF 10V 0805 C1
5
1uF 10V 0805
JP6 1.5V JP6 1.5V
E4
VOU
T
E4
VOU
T
R1
4
69.8k R1
4
69.8k
C9 1210 OPT C9 1210 OPT
+
C1
4
330u
F
6.3V 7343
+
C1
4
330u
F
6.3V 7343
R5 60.4k R5 60.4k
R2 100k R2 100k
C1
1
OPT
1210
C1
1
OPT
1210
R4
3.16k
R4
3.16k
JP2
TRACK/
S
S
TRACK
SS
JP2
TRACK/
S
S
TRACK
SS
1 3 2
C7 10u
F
35V 1210 C7 10u
F
35V 1210
R6 OPT R6 OPT
JP1
FRE
Q
EXT
C
L
K
IN
T
C
L
K
JP1
FRE
Q
EXT
C
L
K
IN
T
C
L
K
1 3 2
C2
3
OPT C2
3
OPT
C1
8
1u
F
10V C1
8
1u
F
10V
E6
GN
D
E6
GN
D
C1
0
OPT
1210
C1
0
OPT
1210
C8 1210 OPT C8 1210 OPT
C2 OPT C2 OPT
+
C5 150u
F
35V
S
ANY
O
+
C5 150u
F
35V
S
ANY
O
R1 121k R1 121k
D1 B
Z
X84C
4V7
D1 B
Z
X84C
4V7
3 1
R7 10k R7 10k
E10
CLKI
N
E10
CLKI
N
JP3
CCM
BURS
T/
E
X
T
CLK
PU
L
S
E SK
IP
M
O
D
E
/C
L
K
SEL
JP3
CCM
BURS
T/
E
X
T
CLK
PU
L
S
E SK
IP
M
O
D
E
/C
L
K
SEL
1 3 2 4
R1
2
OPT R1
2
OPT
R1
5
10k R1
5
10k
R8 OPT R8 OPT
JP10
5V
JP10
5V
Q1
SU
D
50N
03
Q1
SU
D
50N
03
3
1
2
C2
2
OPT C2
2
OPT
R1
0
OPT R1
0
OPT
C2
1
OPT C2
1
OPT
E5
GN
D
E5
GN
D
E8
IOST
EP
CLK
E8
IOST
EP
CLK
J5
VOU
T
J5
VOU
T
J4
GN
D
J4
GN
D
C2
4
OPT C2
4
OPT
JP9
3.3V
JP9
3.3V
J2
GN
D
J2
GN
D
R1
3
0
R1
3
0