DC261A - Schematic

B
C
+15V
C6
3
E
7
6
5
4
6
2
TP3
1
1K
JP2
JP3
R10
3
O
O
4
10
DIFF
J2
C7
O
2
ON/OFF
3
V-
V+
7
3
IN+
REF
6
4
IN- HYST
5
2
ON/OFF
ON
3
4
5
1
JP16
C19
1.0uF
50V
+ C20
10uF
35V
C21
1.0uF
50V
J8
8
C31
3
OPT
LTC1440CS8
+ C18
10uF
35V
6
7
JP8
J10
VCC
-15V
1
+/-
R28
10K
8
3
+15V
+15V
2
11
12
TP2
GND OUT
C27
1.0UF
J7
J4
1
JP1
0.1uF
2
1
0.1uF
C23
1
IN
VCC
C9
VCC
U5
OUT
C26
1.0UF
5
6
OPT
2
8
3
4
R7
100
1%
0.25W
U6
LT1121CS8-5
+15V
1
2
0.1uF
TP4
1
SEP
1K
T1
9
7
R29
2K
C5
1.0UF
50V
4
MIDCOM-50215
1K
3
C4
1.0UF
50V
-15V
R5
R9
C3
1.0UF
50V
R1
12.7
1%
1W
0.1uF
DIFF
C2
1.0UF
50V
3
1
+/-
4
SEP
C1
1.0UF
50V
J1
C25
10UF
35V
2
-
C8
2
+
8
3
1
+
1
2
R3
4.99K
9
3
LT1795SW20
U1A
JP9
0.1uF
1
+/-
JP4
10
2
C24
0.1uF
+15V
U1
+
DRIVER
IN+
J3
D
GND
A
2
2
1
3
5
7
9
3
SHDN
4
CLK
5
CS
7
DIN
8
DOUT
VCC
+
1
3
R2
2
4
6
8
10
12.7
1%
1W
+/-1
JP14
0.1uF
U2
LTC1329CS8
IOUT
1
GND
+
+/-
C29
10UF
35V
C10
6
3
2
0.1uF
2
R23
10K
JP15
1
C12
0.1uF
18
17
16
15
14
C30
20
19
1
+/+
+
13
JP6
2
JP11
12
3
DRIVER
IN-
LT1795SW20
U1B
11
+
1.0UF
50V
J5
R22
10K
+15V
C28
3
R8
4.99K
VCC
JP5
2
R24
10K
-15V
R25
10K
R26
10K
R11
1K
3
JP10
U3A
LT1368CS8
1
3
R30
49.9K
Q1
FMMT3904
1
C32
0.1UF
R6
3
DAC
+
3
-
2
2
R12
49.9K
1%
4
2
TP6
JP7
1
EXT
2
1
2
Vcntrl
( 0 -2.5V )
ADJ
8
2
TP1
FIXED
TP5
10K
-
2
549
R15
1%
ADJ
TP10
DC
BIAS
R16
1K
FIXED
3
1
JP12
U3B
LT1368CS8
R31
7
100
+
5
-
6
TP7
R33
10K
R34
10K
R35
10K
TP8
C17
12pF
R17
3K
C16
0.1uF
R32
10K
8
2.1K
1%
4
1
3
4
RCVout+
U4A
LT1358CS8
+
C33
0.1UF
2
0.1uF
TP9
R14
2
J6
+15V
+15V
8
C15
DIFF
SEP
1
1
3
1
JP13
RCVout-
U4B
LT1358CS8
J9
7
+
5
-
6
549
R21
3K
R18
R19
1%
2.1K
1%
Linear Technology Corp.
R20
Title
1K
C22
12pF
Size
B
LT1795SW20 EVALUATION CIRCUIT
Document Number
DC261A-A1 * LT1795SW20
Date:
A
1630 McCarthy Blvd., Milpitas, CA
95035-7487
Phone: (408)432-1900 Fax: (408)434-0507
C
D
Sheet
Wednesday, January 29, 2003
E
1
of
1
Rev
A
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