DC1412A - Schematic

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
2
VIN
4
CIN2
1uF
1uF
100V
100V
APPROVED
07/21/08
10K
4700pF
E6
D5
1
3
1
51.1 1%
3
2
D1
7
8
Co2
Co3
100uF
100uF
100uF
6.3V
6.3V
3.3V / 3A
6.3V
E4
SEC. RTN
UPS840
2
1
BAS516
50V
Q2
R18
PA1277NL
0
VOUT
Si4848DY
C2
Co1
1
2
D2
R1
4.7uF
+VOUT
5
6
2
BAV21W
C1
GND
E1
T1
R3
C8
5
6
7
8
CIN1
DATE
PROTO
VOUT
VIN
E5
2
R20
1
18V - 75V
DESCRIPTION
4
6.81K 1%
R2
R8
RUN
0.1uF
C6
3
105K
1
1
1%
2
OFF
9
3
2
R7
4
R6
8.66K
0
1%
R5
3
0.040
INTVCC
VC
GATE
SHDN/UVLO
SENSE
FB
SYNC
R15
C15 OPT
0
R11
8
R4 0
7
0
R21
6
499 1%
D3
BAS516
SYNC
5
RT
11
JP1
SS
RCS1
VIN
10
LT3758EMSE
VOUT
BAT54C
VIN
U1
VIN
GND
OPT
OPT
ON
D4
1
2
3
100pF
C3
C16
R9
C10
OPT
10K
220pF
E7
U4
4
1
3
2
C4
1
2
PS2801-1
100K
LT4430ES6
1uF
C7
R14
U3
3
VIN
OPTO
GND
OC
COMP
FB
1%
6
5
C11
0.47uF
OPT
C5
4
10nF
R12
4.22K 1%
C9
R13
36.5K
1%
2200pF
C12
270pF
22.1K
250V
1%
R10 OPT
R16
OPT
CONTRACT NO.
APPROVALS
DRAWN MI
DATE
03/14/07
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
TITLE
CHECKED
SCH, LT3758EMSE, FLYBACK CONVERTER
APPROVED
ENGINEER
DESIGNER
SIZE
CAGE CODE
DWG NO
REV
2
DC1412A
Monday, May 04, 2009
SCALE: NONE
FILENAME: 1412A-2.DSN
SHEET
1
OF
1
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