DC1317A-F - Schematic

4
+VIN
**
CIN1
CIN2
CIN3
6.8uF
50V
1812
D
6
5
2
1
VU1
4
L2
1.5mH
DO1607B-155ML-C
A1
D2
BAS516
VR2
R11
10K
D3
BAS516
6
C3
1uF
1
2
3
6
GND
5
INP
2
3
TS
C21
VFB
Q12
BC856T
1
TG
R13
22K
R14
33K
R15
178K
R42
0
C10
0.1uF
R22
13.3K
D1
BAS516
U1
LT1952EGN-1
1
COMP
2
FB=1.23V
16
VIN
15
3
ROSC
OUT
14
4
SYNC
PGND
13
5
SS/MAXDC DELAY
12
6
VR=2.5V
OC
11
ISENSE
10
BLANK
9
7
SD/VSEC
8
GND
R6
opt.
C7
220pF
L4
10uH
D10
BAT760
C9
R20
100pF 100K
910
R24
22K
C8
100pF
VU1
CU1
4.7uF
5
3
4
C11
4.7nF
C23
1uF
VFB
16V
U6
PS2801-1
4
1
3
2
R33
158K
PMEG3002AEB
VR2
R32
B
D17
BAS516
R53
200
OPTIONAL FOOTPRINT FOR T1
SW0
SW0 +VIN
C33
0.1uF
SW1
2
6
7
A1
4
1
PA2720NL
R54
2.2 1206
C25 33nF
200V
1206
R45
10K
C28
opt.
A
SOUT
R48
opt.
VU1
U7 opt.
1
VCC BOOST
6
2
GND
TG
5
3
INP
TS
4
C30
opt.
4
2
CS- TIMER
7
3
CG
GND
6
4
VCC
FG
5
C12
470pF
R52
0
VCC OPTO
6
2
GND COMP
5
3
OC
4
FB
C17
15nF
R35
82.5K
R34
8.66K
C18
opt.
C24
R38
18.2K
39pF
FG
+VO1
B
**
FOR ASSEMBLY
+VIN
34V - 75V
-B
18V - 72V
5V @ 25A
-C
18V - 72V
12V @ 8A
NOTES: UNLESS OTHERWISE SPECIFIED
-D
18V - 72V
24V @ 4A
1. ALL RESISTORS ARE 0603.
ALL CAPACITORS ARE 0603.
-E
36V - 72V
5V @ 12A
-F
9V - 36V
3.3V @ 20A (5V @ 15A)
-G
9V - 36V
12V @ 5A (18V @ 4A)
SEE QUICK START GUIDE.
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.
3
R19
56K
-A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
8
VERSIONS
*
D14
BAS516
C29
opt.
CS+ SYNC
CG
1
C19
1uF
4
OPTIONAL CIRCUIT
1
R51
0
U4
LT4430ES6
C16
0.22uF
C
SYNC
C14
1uF
0.33uF
100V
1210
1
2
3
5
R18
10K
R27
470
R31
10
-VOUT
VAUX
U5
LTC3900CS8
R21
10K
D11
BAS516
C34
Q13
Si7309DN
SW2
8
9
10
SW1 R16
33K
D9
PDZ7.5B
R17
560
C15
2200pF
250V
1812
R2
560K
196K
OPT C5
0.22uF
50V
C6
opt.
VAUX
TP5
R10
1K
5
6
7
8
115K
R30
1.2K
D
VAUX
VAUX
R26
220
**
CSYS
470uF
6.3V
T530X477M006ATE004
1
Q9
BCX55
B0540W
D8
opt.
SYNC
+VB
R28
4
2
VU1
C13
0.47uF 10V
R29
6
2
+VO1
opt.
L3
1
+
TP6
R12
0 ohm
T2
PE-68386
PULSE ENG.
SOUT
D15
opt.
D7
opt.
RCS1
0.005
KOA, TLR2H
CO1
CO2
CO3 opt.
100uF
6.3V
TDK
1812
opt.
D6
+VOUT
TP4
1.2uH
PAYTON 54289
Q3
HAT2165
C4
0805
R9
47
R3
249
R23
opt.
TP3
+VO1
L1
CG
Q2
HAT2165
R8
2.2
470pF
opt.
D16
opt.
R7
0
OUT
SOUT
R50
Q1
Si7138DP
4
SW1
opt.
C32
5
VCCBOOST
C31
FG
SW0
U2
LTC4440ES6-5
C
10
11
2
R5
0
100V
R49
+VIN
-VIN
C35
opt. 1206 opt.
SW2
TP2
VU1
C1
R4 R55
1
7
8
1
D5
PDZ10B
2
T1
G45R2-0302.007
CHAMPS TECH
3
+VIN
+VB
R1
2.2
TP1
3
Q10
PBSS8110D
3
5
-H
9V - 36V
CONTRACT NO.
APPROVALS
DRAWN
J. Wu
ENGINEER
G. Perica
DATE
10/8/07
TECHNOLOGY
TITLE
SIZE
CAGE CODE
SCALE:
2
48V @ 1.5A
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
A
LT1952EGN-1, LT4430ES6
CHECKED
Thursday, June 11, 2009
*
*
*
ISOLATED FORWARD DC/DC CONVERTER
10/8/07
APPROVED
+VOUT
3.3V @ 30A
FILENAME:
DWG NO
REV
DC1317A-F
SHEET
1
1
A
OF
1
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