DC259A - Schematic

A
B
1
3
3
J2
CASE
J1
-Vin
J4
+Vin
J3
ON
R26
5.36k
1%
C25
0.1uF
+ C26
68uF
20V
3
5
3
D5
MMBD914LT1
C13
4.7uF
C11
2200pF
250V
C2
1.5uF
100V
1
R37
12.1k
1%
Q12
MMBT3904LT1
1
D18
MMBD914LT1
3
1
14
13
17
1
2
3
4
5
6
P13
P
RN/SHD
12VIN
3
HEADER 6
R43
3.9k
R38
143k
1%
1
R24
130
D20
MMBD914LT1
R13
47k
Q8
MMBT3904LT1
D11
MMSZ5240BT1
R34
100k
1
1
2
D23
MMBD914LT1
R27
10k
D15
MMBD914LT1
1
R21
20.5k
1%
Q10
MMBT3906LT3
1
D9
MMBD914LT1
D3
MMSZ5246BT1
2
3
C
3
2
Q7
NDT410EL
R25
470
1
8
3
4
R39
4.53k
1%
C19
2.2uF
GND1
OUT1
OUT2
VCC2
U3
LT1339
1
2
D17
MMSZ5242BT1
IN1
VCC1
IN2
GND2
U1
LT1693-1
R14
62k
R12
61.9k
1%
R49
62k
2
7
5
6
C28
2200pF
R28
10
R29
27k
DO1608C-105
L3
C31
1uF
C27
2200pF
4
C29
0.1uF
R8
10
C30
4700pF
VFB
BG
D16
BAS21
C14
2.2uF
SYNC
1
1
5VREF
2
2
2
3
R11
1.5K
CT
3
3
1
R10
1.5K
SL/ADJ
4
1
C4
1.5uF
100V
IAVG
5
2
C3
1.5uF
100V
VREF
10
SOCKET6
20
J10-12
P10-12
8
6
5
4
3
2
1
19
TG
VBOOST
J10-2
P10-2
SGND
1
9
16
3
3
2
1
2
R15
47
3
1
1
1
D22
BAT54
R41
2.4k
R31
3.3
D19
BAS21
D13
BAS21
3
470
R16
1
1/2W
R9
0.025
Q3
IRF1310NS
1
3
C21
0.1uF
JP2
0
JP1
0
C12
0.1uF
D7
BAT54
D2
MURS120
Q2
FMMT718
D4
MMBD914LT1
Q4
FMMT718
1
D1
MURS120
1
D6
MMSZ5242BT1
3
D
18
TS
J10-4
P10-4
11
15
J10-6
P10-6
1
2
2
3
4
J10-10
P10-10
3
J10-7
P10-7
J10-5
P10-5
PGND
Q1
IRF1310NS
NC
2
1
3
4
ISO1
MOC207
6
7
10
11
12
7
8
9
R44
100k
R32
470
5
6
7
8
T2
CTX02-14678
coiltronics
5
2
1
4
3
6
T1
CTX02-14675
Coiltronics
Note: Unless noted:
All caps 25V.
All resistors 0.1W, 5%.
All diodes MMBT914LT1
All NPNs MMBT3904LT1
All PNPs MMBT3906LT3
J10-11
P10-11
J10-3
P10-3
SS
6
SENSE+
3
1
12
SENSEVC
7
1
2
J10-8
P10-8
3
1
4
J10-9
P10-9
3
J10-1
P10-1
4
R20
4.7k
D21
MMSZ5231BT1
R23
4.7k
Q13
MMBT3904LT1
C23
0.1uF
1
C1
2200pF
250V
C17
1000pF
R7
10
Q5
SUD30N04
C10
1000pF
100V
C15
1000pF
3
J13
5
1
2
R46
1k
R47
100
D14
BAT54
R22
470
1
C22
0.22uF
D10
BAT54
R19
470
C9
1000pF
100V
R2
10
COLL
4
1
3
8
8
GND1
GND2
R33
1k
OUT1
IN1
OUT2
REF
U4
LT1431
2
7
5
6
+C6
10V
330uF
+ C33
10V
330uF
C20
4.7uF
R42
4.42k
1%
C24
0.01uF
R40
TBD
+C35
10V
330uF
+ C16
33uF
10V
C36
150pF
1kV
+ C34
10V
330uF
L4
DO1608C-105
+ C8
10V
330uF
R35
1k
+ C7
10V
330uF
1
Date:
Size
Title
J9
-Vout
J8
-Sense
J7
Trim
J6
+Sense
J5
+Vout
P9
-Vout
P5
+Vout
Document Number
1
DC259A
Sheet
of
LT1339CSW
48V TO 5V / 50W MODULE
1630 McCARTHY BLVD.
MILPITAS, CA 95035-7487
PHONE: (408) 432-1900 FAX: (408) 944-9410
LINEAR TECHNOLOGY CORPORATION
R48
100
R45
9.31k
1% JP3
0
R36
3.01k
1%
R30
100
3
D8
BAS21
3
1
D12
BAS21
1
VCC2
U2
LTC1693-1
VCC1
IN2
1
Q6
SUD30N04
+ C5
10V
330uF
L2
2.4uH
CEPH149-2R4MC
J11-2
P11-2
R1
10
4
3
8
J11-4
P11-4
C18
2200pF
250V
1
2
3
1
J11-3
P11-3
L1
DO1608C-472
6
2
GND-F
3
J11-8
P11-8
3
5
4
GND-S
1
J11-1
7
COMP
RMID
1
2
J11-5
P11-5
4
3
4
RTOP
P11-1
2
J11-6
P11-6
5
3
2
3
V+
J11-7
P11-7
Rev
A
B
C
D
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