DC897A - 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 customers 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
3
DATE
PROD
APPROVED
02/06/05
D
U1 LT3493EDCB
C9
63V
+
2
10uF
[2]
C2
1uF
50V
R5
100K
1%
3
C
SHDN
JP1
2
C11
6 SHDN
2 GND
SW 4
D2
1
CMDSH-4E
2
C3
0.1uF
D1
MBRM140T3G
FB 1
L1
E3
10uH
TAIYO YUDEN
C7
[1]
C
22uF
R1
20K
E4
1%
0.1uF
VOUT
3.3V [2]
C1
NP05DZB100M
1
RUN
BOOST 3
2
4.5V - 36V
5 VIN
1
E1
1
VIN
GND
R2
6.19K
GND
1%
E9
B
B
NOTES: UNLESS OTHERWISE SPECIFIED,
[1] DO NOT STUFF.
[2]
VIN
4.5V
A
8V
IOUT (MAX)
CONTRACT NO.
0.95A
APPROVALS
DRAWN
1.2A
MEI
DATE
03/21/05
CHECKED
TECHNOLOGY
TITLE
SCH, LT3493EDCB, 1.2A, 750KHz STEP-DOWN SWITCHING
ENGINEER
Tuesday, February 07, 2006
5
4
3
A
REGULATOR IN 2mmX3mm DFN
APPROVED
DESIGNER
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
SIZE
CAGE CODE
SCALE:
DWG NO
FILENAME:
2
897A-3.DSN
REV
DC897A
SHEET
3
1
1
OF
1
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