DC2105A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
DESCRIPTION
DATE
PROD
1
04/12/13
APPROVED
CHARLIE Z.
D
D
U1
LTC3630AEMSE
E1
VIN
VIN
C1
220nF
100V
0805
4V - 76V
R5
4.7
0805
R2
OPT ON
D1
OPT
GND
C2
4.7uF
100V
2220
R1
OPT
L1
VIN
SW
VFB
68uH
SUMIDA CDRH105
B A
5
2
3
RUN
VPRG1
1
2
7
VOUT
C9
1.8V/3.3V/5V
0.1uF 500mA
GND
E3
1
GND
VOUT
JP2
C
E6
2
C10
OPT
1210
10
GND
GND
C8
OPT
1210
2
2
6
C7
100uF
10V
1210
C11
OPT
1210
C4
47nF
17
C3
220pF
GND
R4
220k
SS
8
OPT
ISET
14
11
VIN
FBO
GND
R3
VPRG2
16
12
JP1
C6
100uF
10V
1210
R7
OPT
B A
3
FBO
C5
OPT
R6
0
9
3
E5
E2
VOUT
1
JP3
OFF
E4
C
1
3
B
B
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ARE 0603.
2
VOUT
JP1
JP2
1.8V
B
B
3.3V
A
B
5.0V
B
A
EXT. R
A
A
A
CUSTOMER NOTICE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
TECHNOLOGY
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
MI
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG. CHARLIE Z. TITLE: SCHEMATIC
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
HIGH EFFICIENCY, 76V, 500mA
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
STEP-DOWN CONVERTER
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
LTC3630AEMSE
DEMO CIRCUIT 2105A-A
IC NO.
N/A
SCALE = NONE
DATE:
A
SYNCHRONOUS
04/16/13 12:29:21
2
SHEET 1
1
REV.
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OF 1
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