DC1013A - Schematic

1
CIN
4.7uF
6.3V
2
RSD1
1M
3
A
L1
VOUT1
300mA
E1
4.7uH
COUT3
0.1uF
GND
COUT1
4.7uF
6.3V
R1
150K
1%
CFFW1
10pF
ON
OFF
2
LTC3547EDDB
2 Run1
Run2 7
4 SW1
SW2 6
1 Vfb1
RSD2
1M
A
L2
E2
4.7uH
COUT2
4.7uF
6.3V
Vfb2 8
5
E3
U1
JP2
3
ON
OFF
1
JP1
CFFW2
10pF
GND
E6
COUT4
0.1uF
R2
475K
1%
E4
VOUT2
300mA
GND
9
CIN2
(OPT)
Vin 3
CIN1
47uF
10V
GND
GND
E5
1
VIN
2.5V-5.5V
2
JP3
R3
R6
JP6
1.2V
150K 1%
150K 1%
2.5V
JP4
R4
1.5V
100K 1%
R7
JP7
JP5
R5
105K 1%
3.3V
1.8V
75K 1%
VOUT1
E7
VOUT2
GND
B
B
CUSTOMER NOTICE
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.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
1
CONTRACT NO.
APPROVALS
DRAWN
HELEN
DATE
10/24/05
CHECKED
TECHNOLOGY
ENGINEER Tom Gross
10/24/05
DESIGNER
Wednesday, May 24, 2006
LTC3547EDDB, Dual
TITLE
APPROVED
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
Monolithic Synchronous Buck Regulator
SIZE
CAGE CODE
SCALE:
DWG NO
FILENAME:
SHEET
2
REV
A
DC1013A
1
OF
1