DC817A - 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
1
DATE
2
APPROVED
07/30/04
PROTO
CHANGE PIN OUT. REVERSED.
09/23/05
D
U1
C1
0.1uF
RTB1
12.4K
1%
165K
1%
GND
MASTER RAMP
C3
1 ON
R1
215K
1%
R2
C
RAMP 2
RTA1
VCC
0.1uF
3 RAMPBUF
4 TRACK
4.22K
1%
E8
E2
FB 6
FEEDBACK1
E3
GND
2.9V-5.5V
LTC2927IDDB
8 VCC
SD0 7
SD01
C
E4
5
VCC
VCC
E1
U2 LTC2927IDDB
C2
8 VCC
0.1uF
RAMP 2
1 ON
B
RTA2
7.87K
1%
4 TRACK
GND
12.4K
1%
3 RAMPBUF
FEEDBACK2
B
E5
SD0 7
SD02
E6
GND
5
RTB2
FB 6
E7
CONTRACT NO.
APPROVALS
DRAWN
MEI
CHECKED
A
DATE
07/30/04
TECHNOLOGY
TITLE
SCH, LTC2927IDDB, SINGLE POWER SUPPLY TRACKING
DESIGNER
Friday, October 14, 2005
5
4
3
A
CONTROLLER
APPROVED
ENGINEER
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
SIZE CAGE CODE
DWG NO
FILENAME: 817A-2.DSN
SCALE:
2
REV
DC817A
2
SHEET
1
1
OF
1
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