DC1598A -Schematic

A
B
C
D
E
REVISION HISTORY
E1
VIN
VIN
REV
DESCRIPTION
APPROVED
-
2
PRODUCTION FAB
JIM N.
VOUT
C7
47uF
16V
C5
+
R5
1.0M
OPT
C8
1uF
VCC
12
SW1
SW2
9
13
SW1
SW2
10
14
BST1
BST2
11
C3
0.1uF
R3
33K
R4
10K
C6
680pF
VIN
VOUT
8
5
VIN
COMP
1
FB
2
R6
IOUT
7
OPT
OVP
3
15
VCC
16
PWMSYNCH
6
RUN
R10
1.0M
C12
100pF
E3
R2
1M
1%
C9
47uF
16V
C13
100pF
R9
42.2k
1%
R1
845k
1%
C14
47uF
16V
OPT
C10
1uF
3
R7
R8
158K 133K
1%
1%
E4
GND
GND
ON
1
2
3
OFF
JP1
750kHz
OSC SYNCH
BURST
1
2
3
1. ALL RESISTORS ARE IN
OHMS, 0402.
2. INSTALL SHUNTS
AS SHOWN.
A
IOUT / IADJ
10k
1%
2
JP2
CUSTOMER NOTICE
NOTE: UNLESS
OTHERWISE
SPECIFIED
E5
R11
PWM
RUN
2
1
4
C1
47pF
4
3
C11
1uF
C4
10pF
GND
C2
0.1uF
VOUT
5.0V / 2.5A
E2
D1
4.7uH
U1
LTC3112EDHD
2.7V - 15.0V
DATE
10-07-10
VCC
L1
17
4
ECO
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
APPROVALS
PCB DES.
NC
APP ENG.
JIM N.
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
15V, 2.5A SYNCHRONOUS BUCK-BOOST DC / DC CONVERTER
SIZE
IC NO.
N/A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
SCALE = NONE
B
C
DATE:
REV.
LTC3112EDHD
DEMO CIRCUIT 1598A
10-07-10
2
SHEET 1
D
1
E
OF
1
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