DC903A - Schematic

5
D
4
3
2
1
REVISION HISTORY
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
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
Applications Engineering for assistance.
ECO
REV
DESCRIPTION
1
DATE
PROTO
2
APPROVED
04/06/05
Change, Title, Currrent load
09/26/05
D
C1
U1
*
1uF
4
5
C+
VIN
2
C6
OPT.
C2
0.22uF
16V
1
VIN *
E1
ON
C
GND
JP1
VOUT
2
VIN
VOUT
SHDN
C4
4.7uF
6.3V
GND
1
7
E2
C5
0.22uF
16V
GND
C
E5
3
GND
* VOUT
VOUT
3
C3
1uF
6
OFF
E3
C-
SHDN
E4
R1
3.32M
1%
B
B
*
VERSION
U1
-A
LTC3240EDC-3.3
-B
LTC3240EDC-2.5
VIN
VOUT
2.5V - 5.5V
3.3V/150mA
1.8V - 5.5V
3.3V/40mA
1.8V - 5.5V
2.5V/60mA
CONTRACT NO.
APPROVALS
DRAWN
mei
CHECKED
A
DATE
08/06/04
TECHNOLOGY
TITLE
APPROVED
ENGINEER
DESIGNER
Thursday, October 20, 2005
5
4
3
SIZE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
SCH, LTC3240EDC-3.3/-2.5, STEP-UP/STEP-DOWN
CHARGE PUMP DC/DC CONVERTER
CAGE CODE
SCALE:
DWG NO
FILENAME:
2
903A-2.DSN
REV
DC903A
SHEET
A
2
1
1
OF
1
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