DC415A - Schematic

1
2
3
4
5
6
7
8
A
A
On
1
R1
274K
1%
JP1
R6
0
2
R5
133K
1%
3
Off
U1
1
R2
0
RUN
SENSE
2
ITH
VIN
9
3
FB
INTVCC
8
4
FREQ
GATE
7
5
MODE/SYNC
GND
6
Q1
SI4840DY
R7
Opt.
E3
1
3
5
6
7
8
Opt.
L1-2
4.56uH
BH510-1009
4
R4
110K
1%
RT
80.6K
1%
1
+ COUT1 47uF
COUT2 16V
COUT3 X5R
COUT4
10uF
16V
X7R
GND
4
LTC1871EMS10
R8
0
2512
CVCC
4.7uF
JP2
3
B
E4
+
R3
12.4K
1%
2
CC2
6800pF
VOUT
12V/2A
1
2
3
RC
33.2K
1%
D1
UPS840
2
CC1
GND
E2
CDC
10uF
25V
X5R
10
+ CIN4
100uF
20V
TPS
3
B
L1-1
4.56uH
BH510-1009
VIN
5V-15V
CIN1 10uF
CIN2 25V
CIN3 X5R
2
1
E1
C
C
Cont.
Burst
10V
X5R
LINEAR TECHNOLOGY CORPORATION
1630 McCARTHY BLVD.
MILPITAS, CA 95035
PHONE (408) 432-1900
FAX (408) 434-0507
D
Title
Size
D
High Efficiency SEPIC Converter
Document Number
DC415A
LTC1871EMS10
Date: Wednesday, November 28, 2001
1
2
3
4
5
6
Sheet
7
of
1
8
Rev
1
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