DC765A - Schematic

B
A
REVISION HISTORY
LTC CONFIDENTIAL - For Customer Use Only
ECO
REV
-
1
DESCRIPTION
2
E1
SS
C5
2200pF
16V
E4
2
3
9
C4
470pF
R5
D2
LXHL-PW09
D3
LXHL-PW09
R10
100K
R12
10K
6
16V
(OPT.)
C11
2200pF
16V
E9
SS
C12
.1uF
R15
15K
BOOST
2
L
3
C13
100pF
E5
OPT
GND
E7
1
4.2uH
CDRH-5D28-4R2
VOUT
[email protected]
D4
MBRS230LT1
SW
VREF
+
EXPOSED GND PAD
RT
C17
* 47uF
VC
8
12
Remove R7, Change R9 to
1.24K, install a 5.76K in
R3 location and add C3.
2
L3
1uF
SW
U2
LT3479EDE
GND
11
SHDN
GND
7
13
1
14
3
E8
VS
5
C9
2.2uF
16V
VIN
2
4
1
ON
JP2
OFF
SHDN
C8
4.2uH
CDRH-5D28-4R2
opertion as a regular
** For
Boost Converter. (No LumiLeds)
**
R9
0.33
1%
R7
10K
L2
2.5V TO 12V
*
FBP
7/1/04
VOUT
[email protected]
C3
.1uF
10V
OPT
C2
10uF
10V
1
1
VIN
1
10
R3
OPT
1%
1
E6
GND
1
FBN
113K
C7
100pF
R6
15K
C6
.1uF
SW
L
4
6
10V
(OPT.)
GND
EXPOSED GND PAD
VREF
12
R4
10K
8
+
VC
R2
0 OHM
SW
U1
LT3479EDE
RT
C16
*47uF
R1
100K
SHDN
GND
7
11
GND
1
2
14
3
E3
SHDN
VS
C1
2.2uF
16V
13
2
5
ON
JP1
OFF
VIN
2.5V TO 4.2V
APPROVED
-
E2
OPT
1
3uH
CDRH-5D28-3R0
1
VIN
3/25/04
ADD POL CAP C16,C17, & R16
D1
MBRS230LT1
L1
1
DATE
PROTOTYPE
1
FBN
10
FBP
9
R13
100K
INVERTER
R11
402K 1%
R14
OPT
D5
CMDSH-3
C10
C14
10uF
10V
OPT
C15
.1uF
10V
E10
1
1
GND
1
USED ONLY FOR OPERATION
WITH LONG INPUT LEADS.
P R O P R I E T A R Y D A T A:
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 responsibililty 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.
B
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCE ON ANGLE - - 2 PLACES - - - 3 PLACES - - INTERPRET DIM AND TOL
PER ASME Y14.5M -1994
THIRD ANGLE PROJECTION
CONTRACT NO.
APPROVALS
DRAWN June Wu
DATE
03/22/04
CHECKED
APPROVED
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
TITLE
SCH, LT3479EDE, 1MHz GENERAL PURPOSE POSITIVE/NEGATIVE CONVERTER PCB
ENGINEER
DESIGNER
DO NOT SCALE DRAWING
Tuesday, November 09, 2004
SIZE CAGE CODE
DWG NO
A
SCALE: NONE
FILENAME:765Ar2.DSN
A
REV
DC765A
SHEET
A
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OF
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