DC568A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
DESCRIPTION
3
D
ON
OFF
R1
4.7M
5%
C1
604K
10pF
1 FBK1
GND
R8
R9
604K
402K
301K
LTC3407EMS
VIN
1.8V
1.5V
R5
1.2V
E4
1
C
L2
SW2 7
VOUT2
E3
2.2uH
FBK2 10
C2
R6
10pF
887K
2.5V @ 600mA
COUT2
C4
10uF
OPTIONAL
6.3V
GND
R7
BURST
MODE
E6
280K
2
3
JP3
5%
R10 4.7M
5%
B
4.7M
POR 8
MODE/SYNC
R4
OFF
6
COUT1
10uF
6.3V
GND
C3
CH.2
RUN2 9
4 SW1
5
2.2uH
OPTIONAL
2 RUN1
ON
R3
100K
L1
VOUT1
E2
R2
U1
3
JP2
2
JP1
2
1
CH.1
E5
1.2V/1.5V/1.8V
@ 600mA
D
VIN 3
CIN
10uF
6.3V
1
+
3
E1
C
JP4
1
B
POR
PULSE SKIP
E7
CONTRACT NO.
APPROVALS
DRAWN
MEI
DATE
02/19/03
CHECKED
A
APPROVED
ENGINEER
DESIGNER
Wednesday, June 11, 2003
5
APPROVED
02/19/03
VIN
VIN
2.5V-5.5V
C5
47uF
10V
GND
DATE
PROTO
4
3
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
TITLE
A
SCH, LTC3407EMS DUAL DC/DC CONVERTER
SIZE CAGE CODE
DWG NO
FILENAME: 568A-3.DSN
SCALE:
2
REV
DC568A
3
SHEET
1
1
OF
1