DC1045A - Schematic

5
4
3
2
1
Vin
+VOUT
+VOUT
VIN
4
E1
R3
221K
1
1
1
D3
PDZ6.8B
2
D1
BAS516
Q2
FDC2512
C5
OPT
4
3
R8
220
U2
R10
274
OPT
VCC
9
3
FB
4
RUN
5
FS
R19
118k
OC
8
ISENSE
7
SYNC
6
R15
6.8K
GND
COMP
5
0.6V FB
4
3
OC
R9
100k
D6
BAT760
E5
C7
330pF
C
C11
22nF
R11
3.16k
R14
22.1k
U3
NEC PS2801-1
FSET
SYNC
1
B
EXT SYNC
2
INT PROG
3
C14
1nF
2
C8
OPT
D5
BAS516
R13
1.33k
R16
3.01k
R20
1Meg
B
6
C12
0.47uF
2
ITH
OPTO
1
2
VIN
1
C13
Gate
4
JP1
C10
1uF
1
LT4430ES6
3
R17
8.66k
SSFLT
10
GND
3
1
11
2
OFF
C9
OPT
LTC3805EMSE
1
ON
R6
0
D4
BAT54CWT1G
C6
0.1uF
Vin
R12
221k
Sec.RTN
E4
R5
2.0
C3
150pF
200V
U1
RUN
D
COUT3
100uF
6.3V
2
C
R7
OPT
COUT2
100uF
6.3V
T1
PA1861NL
RCS1
0.068
C4 OPT
COUT1
100uF
6.3V
D2
UPS840
E2
2
3
C2
4.7uF
16V
2
E3
R4
51.1
2
Pri.RTN
Q1
MMBTA42
10
9
1
5
1
R2
221K
+Vout
7
8
2
CIN2
2.2uF
100V
1
2
5
6
CIN1
2.2uF
100V
D
3
36V-72V
[email protected]
C15
2200pF 250VAC
JP2
C1 OPT
R1 OPT
R18
0
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
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
CONTRACT NO.
APPROVALS
DATE
DRAWN Antonina Karpova 1/24/06
CHECKED
TECHNOLOGY
TITLE
APPROVED
ENGINEER Victor Khasiev
1/24/06
DESIGNER
Thursday, January 25, 2007
2
SIZE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
A
LTC3805EMSE
TELECOM DC/DC CONVERTER
CAGE CODE
SCALE:
FILENAME:
DWG NO
REV
DC1045A
SHEET
1
5
1
OF
1
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