5
dc2397af
DEMO MANUAL DC2397A
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
10uH
NO
TE
S:
1)
Connect GND of R3, R6, C11, C12 and C13 directly to pins
7 and 8. Connect pins 7 and 8 to IC Pad directly under IC. Connect
pins 18 and 19 to copper plane and IC pad directly
under IC.
UNLESS
NOTED:
RE
SI
ST
OR
S:
O
HM
S,
0
40
2,
1
%
CA
PA
CI
TO
RS
: 0
60
3
VC
C
GND
VC
C
GND
LT
C3130-1
VCC
GN
D
VCC
GN
D
VCC
JP2 / VS1
JP3 / VS2
GN
D
*
VOUT J
UMPER CONFIGURATION
VOU
T
1.8
V
5.0
V
12V
VCC
3.3
V
GN
D
12.0V /
600mA
INT
EX
T
ON
OF
F
NOTE: FOR MPPC, REMOVE R4 AND POPULATE R5 AND R6. DO NOT
ALLOW
MPPC PIN VOLTAGE TO
EXCEED
6.0V.
OF
F
ON
BURST MODE
FI
XED FREQ
*
VIN > 13V
VIN
VOUT
RUN
VS1
MODE
VS2
PGOOD
MPPC
EXTVcc
VS2
VS1
PGOOD
VCC
VCC
EXTVcc
VOUT
VIN
RUN
VCC
MPPC
VIN
MODE
VCC
SI
ZE
DA
TE
:
IC NO.
REV.
SHE
ET
OF
TIT
LE
:
AP
PR
OV
AL
S
PCB DE
S.
APP ENG.
TE
C
H
N
OL
OGY
Fax: (408)434-0507
M
ilpitas, CA 95035
Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST
EFFORT
TO
DESIGN
A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED
SPECIFICATIONS;
HO
W
EV
ER
, I
T R
EM
AI
NS
T
HE
C
US
TO
M
ER
'S
R
ES
PO
NS
IB
IL
IT
Y T
O
VE
RI
FY
P
RO
PE
R A
ND
R
EL
IA
BL
E O
PE
RA
TI
ON
IN
T
HE
A
CT
UA
L
APPLICA
TION. COM
PONENT SUBS
TITUTION AND
P
RINTED
CIRCU
IT BOARD LA
YOUT MAY
SI
GNIFICANTLY
AFFECT
CIRCUI
T
PERFO
RMANCE OR RELIABILITY. CONTACT
LIN
EAR
TE
CH
NO
LO
GY
A
PP
LI
CA
TI
ON
S E
NG
IN
EE
RI
NG
F
OR
A
SS
IS
TA
NC
E.
THIS C
IRCUIT IS PROPRIETARY
TO LINEAR TE
CHNOLOGY AND
SC
HE
M
AT
IC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE
= NONE
www.lin
ea
r.c
om
3
DEMO CIRCUIT 2397A
1
1
DC / DC CONVERTER WITH 1.6uA QUIESCENT CURRENT
N/A
LTC3130UDC-1
NC
J.NOON
05- 23 - 16
25V, 600mA BUCK-BOOST
SI
ZE
DA
TE
:
IC NO.
REV.
SHE
ET
OF
TIT
LE
:
AP
PR
OV
AL
S
PCB DE
S.
APP ENG.
TE
C
H
N
OL
OGY
Fax: (408)434-0507
M
ilpitas, CA 95035
Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST
EFFORT
TO
DESIGN
A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED
SPECIFICATIONS;
HO
W
EV
ER
, I
T R
EM
AI
NS
T
HE
C
US
TO
M
ER
'S
R
ES
PO
NS
IB
IL
IT
Y T
O
VE
RI
FY
P
RO
PE
R A
ND
R
EL
IA
BL
E O
PE
RA
TI
ON
IN
T
HE
A
CT
UA
L
APPLICA
TION. COM
PONENT SUBS
TITUTION AND
P
RINTED
CIRCU
IT BOARD LA
YOUT MAY
SI
GNIFICANTLY
AFFECT
CIRCUI
T
PERFO
RMANCE OR RELIABILITY. CONTACT
LIN
EAR
TE
CH
NO
LO
GY
A
PP
LI
CA
TI
ON
S E
NG
IN
EE
RI
NG
F
OR
A
SS
IS
TA
NC
E.
THIS C
IRCUIT IS PROPRIETARY
TO LINEAR TE
CHNOLOGY AND
SC
HE
M
AT
IC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE
= NONE
www.lin
ea
r.c
om
3
DEMO CIRCUIT 2397A
1
1
DC / DC CONVERTER WITH 1.6uA QUIESCENT CURRENT
N/A
LTC3130UDC-1
NC
J.NOON
05- 23 - 16
25V, 600mA BUCK-BOOST
SI
ZE
DA
TE
:
IC NO.
REV.
SHE
ET
OF
TIT
LE
:
AP
PR
OV
AL
S
PCB DE
S.
APP ENG.
TE
C
H
N
OL
OGY
Fax: (408)434-0507
M
ilpitas, CA 95035
Phone: (408)432-1900
1630 McCarthy Blvd.
LTC Confidential-For Customer Use Only
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST
EFFORT
TO
DESIGN
A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED
SPECIFICATIONS;
HO
W
EV
ER
, I
T R
EM
AI
NS
T
HE
C
US
TO
M
ER
'S
R
ES
PO
NS
IB
IL
IT
Y T
O
VE
RI
FY
P
RO
PE
R A
ND
R
EL
IA
BL
E O
PE
RA
TI
ON
IN
T
HE
A
CT
UA
L
APPLICA
TION. COM
PONENT SUBS
TITUTION AND
P
RINTED
CIRCU
IT BOARD LA
YOUT MAY
SI
GNIFICANTLY
AFFECT
CIRCUI
T
PERFO
RMANCE OR RELIABILITY. CONTACT
LIN
EAR
TE
CH
NO
LO
GY
A
PP
LI
CA
TI
ON
S E
NG
IN
EE
RI
NG
F
OR
A
SS
IS
TA
NC
E.
THIS C
IRCUIT IS PROPRIETARY
TO LINEAR TE
CHNOLOGY AND
SC
HE
M
AT
IC
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE
= NONE
www.lin
ea
r.c
om
3
DEMO CIRCUIT 2397A
1
1
DC / DC CONVERTER WITH 1.6uA QUIESCENT CURRENT
N/A
LTC3130UDC-1
NC
J.NOON
05- 23 - 16
25V, 600mA BUCK-BOOST
RE
VI
SI
ON
H
IS
TO
RY
DE
SCRIPTION
DA
TE
APPRO
VE
D
EC
O
REV
JIM N.
PRODUCTION
-
3
05 - 23 - 16
RE
VI
SI
ON
H
IS
TO
RY
DE
SCRIPTION
DA
TE
APPRO
VE
D
EC
O
REV
JIM N.
PRODUCTION
-
3
05 - 23 - 16
RE
VI
SI
ON
H
IS
TO
RY
DE
SCRIPTION
DA
TE
APPRO
VE
D
EC
O
REV
JIM N.
PRODUCTION
-
3
05 - 23 - 16
L1
XAL4040-103ME
C10 0.1uF
E4
VOUT
C7 22uF
25V
1210
C5 1uF
0805 50V
E2
GND
E5
GND
C8 22uF
25V
1210
E6
GND
JP6
EXTVcc
JP4
MPPC
D1
OPT
+
C4 OPT
R5 OPT
R6 OPT
C9
0.1uF
JP5
RUN
R4 2MEG
C11 4.7uF
6.3V
C6 1uF
0805 50V
JP2
VS1
C2 10uF
50V
1210
JP3
VS2
C13 OPT
C12 4.7uF
50V 0805
E1
VIN
2.4V-25V
C3 OPT
1210
E3
PGOOD
R2 2MEG
U1
LTC3130UDC-1
SVIN
3
SW1
20
VOUT
14
SW2
15
VS1
10
MODE
11
GND
8
VS2
9
PGND
19
RUN
4
BST1
1
BST2
16
GND
7
PGND
18
MPPC
6
EXTVCC
12
VCC
5
GND
21
NC
17
PGOOD
13
PVIN
2
R1 2MEG
R3 OPT
C14
OPT 1210
JP1
MODE
C1 1uF
0805 50V
