DC2372A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
DESCRIPTION
__
1
PRODUCTION
APPROVED
DATE
12-5-14
Goran P.
D
D
VIN
E1
VIN
1.8V - 5.5V
VOUT
VOUT
C1
10uF
10V
1206
GND
L1
XAL4030
U1
LTC3121EDE
E3
3
RUN
9
C
ON
OFF
4
1
2
3
6
R2
57.6k
1%
10
2
SW
SHDN/
CAP
PWM/SYNC
VOUT
RT
FB
GND
VC
PGND
VCC
1
12
11
C7
1uF
25V
12V
500mA
*
E6
GND
* SEE DEMO MANUAL
C2
0.1uF
50V
R3
OPT
1%
8
C
7
5 VCC
C3
4.7uF
0805
13
JP1
VIN
C5
22uF
25V
1210
R4
1.02M
1%
C4
OPT
0402
6.8uH
GND
E2
RUN
E5
C8
1nF
0402
R6
82.5k
1%
R5
113K
1%
C9
10pF
0402
E4
SYNC
VCC
B
MODE
PWM
BURST
B
1
2
3
JP2
R1
1M
1%
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
NOTE: UNLESS OTHERWISE SPECIFIED
TECHNOLOGY
HZ
Goran P.
5
TITLE: SCHEMATIC
SIZE
2. INSTALL SHUNTS AS SHOWN.
4
3
A
15V, 1.8A SYNCHRONOUS BOOST DC / DC CONVERTER
1. ALL RESISTORS ARE 0402 AND CAPACITORS ARE 0603.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
N/A
SCALE = NONE
2
DATE:
IC NO.
REV.
LTC3121EDE
DEMO CIRCUIT 2372A
1
8-18-15
SHEET
1
1
OF
1
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