DC1340A - Schematic

5
4
3
ON
R1
2 Meg
VIN C5
10uF/10V
2
OFF
R21
10K
JP1
E4
12
20
2
OFF
JP2
R22
10K
11
EN3
14
PGND3
E7
VIN
RUN_VOUT3
3
ON
SW3
15
C8
20pF
8
21
B
744031002
C9
4.7uF,6.3V
R13
2 Meg
C11
20pF
VIN
SYNC / MODE
1
R23
10K
E11
Burst
2
Pulse Skip
3
Sync
VIN
E13
R14
0
C10
1uF
VOUT3
[email protected]
E9
GND
E10
R15
412K
E12
R20
511K
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
C
PGOOD
R18
1Meg
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.
A
GND
E8
R10
232K
B
4
SYNC
C7
1uF
R17
475K
JP4
E16
R8
0
L3
2.5uH
C12
1
VOUT2
[email protected]
E6
R12
464K
0.1uF
JP3
5
C6
4.7uF,6.3V
1
6
GND
744031002
2
OFF
GND
7
FB2
FB3
L2
2.5uH
18
E15
VIN
D
R5
150K
RT
PGND2
SVIN
C
1
SW2
EN2
PGOOD
ON
R6
2 Meg
10
3
FB1
9
RUN_VOUT2
OPT
SW1
EN1
PGND1
GND
E5
3
19
SGND
13
PVIN1
PVIN3
E14
VIN
PRG_ VOUT3
C2
1uF
R11
5
U1
LTC3569EUD
VOUT1
[email protected]
E3
R2
0
R4
187K
20pF
R7
0
2
GND
C3
PVIN2
PRG_VOUT1
GND
C1
10uF,6.3V
C4 VIN
10uF/10V
MODE
E2
PRG_VOUT2
7440430022
1
4
GND
RUN_VOUT1
E1
17
D
1
L1
2.2uH
16
2.5V - 5.5V
2
VIN
VIN
VIN
3
3
CONTRACT NO.
APPROVALS
DATE
DRAWN Antonina Karpova 10/10/07
CHECKED
TECHNOLOGY
TITLE
DESIGNER
Friday, October 10, 2008
TRIPLE DC/DC CONVERTER
SIZE
CAGE CODE
SCALE:
2
A
LTC3569EUD
APPROVED
ENGINEER Victor Khasiev 10/10/07
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
FILENAME:
DWG NO
REV
DC1340A
SHEET
1
3
1
OF
1
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