DC607A - Schematic

5
4
3
2
1
VLOW
+VOUT
3.9K
1/4W
3.9K
1/4W
opt.
1/4W
R2
R1
240 1/4W
R4
240 1/4W
VIN
240 1/4W
100 1W
R73
240 1/4W
+Vin
100
U6
LTC4440-EMS8E
D24
12V
BAS21
U5
LTC4440-EMS8E
Q27
123
VCC
10
2
4
11
2
Q12
5678
5678
Q30
4
123
Q16
12V
R3
+ C14
1K
220pF
A
Note: UNLESS NOTED:
All caps 25V;
All resistors 0603 (1/16W) or 0805 (1/8W);
Q3, Q4, Q8, Q11-15,Q23,Q24,Q27-Q30,
Q32,Q33 Siliconix Si7852DP;
Q7, Q9,Q25,Q26 Zetex FMMT619;
Q10, Q16-18 Zetex FMMT718;
D12, D14, D23, D24 BAS21;
L2 Pulse PA0651;
L1 PA1294.910;
L5 Sumida CDEP105-1R3MC-50;
L4 Coilcraft DO1608C-105;
T5 Pulse PA0297;
T1,T4 Pulse PA0526;
D21,D22,D25 MURS120;
C26
0.47uF
180pF
5VREF
R58
10K
R47
33K
R83
0
C27
330pF
C29
R15
68nF 1M
Q26
opt.
D28
R45
0
C53
opt.
BAT54
C21
5
R11
opt.
C30
2.2nF
250V
1
0.047uF
R34
opt.
+VOUT
MF
Q18
R93
100
1
1
TIMER
2
PVcc
R91
1K
3
R92
39.2K
Vcc
14
15
12
16
MF2
MF
Q34
MMBT3904
C47
1uF
7
PGND
4
CSF-
11
R90
1.5K
CSF+
ME2
5
CSE-
6
CSE+
-VOUT
C48
1uF
D16
MMBZ5240B
10V
B
-VOUT
R40
D20
5.1V
COLL
REF
R41
10K
R42
9.53K
4
2
2
6
0
R9
C
+VOUT
2.7K
RTOP
COMP
4
8.25K
8
C22
opt.
7
MMBT3904
R98
C40
2.2nF
1
R38
330
3
16
SS
7
Q35
43
-VOUT
ME
R51
33
C23
0.022uF
8
U3
LT1431CS8
R46
2.49K
MMBZ5231B
-VOUT
A
R12
CT
Q37
opt.
opt.
C56
opt.
CUSTOMER NOTICE
R13
0
CONTRACT NO.
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
APPROVALS
DATE
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO DRAWN
June Wu
9/13/02
TITLE
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL CHECKED
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
LTC3722EGN-1,
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT APPROVED
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.ENGINEER Kurk Mathews 9/13/02
DESIGNER
4
3
2
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
36-72Vin to 12V/35A Isolated Supply
SIZE CAGE CODE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
Wednesday, January 14, 2015 SCALE:
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
R82
0
470 1/4W
C57 opt.
V+
OUTF
PGND
22
GND
23
FB
RLEB
5
6
SPRG
C28
R81
0
+VOUT
SYNC
R37
ISO1
MOC207
R43
750
3
C31
1.0uF
P4
321
C50
330pF
5VREF
200K
R71
C41
220pF
R80
0
MF
R88
4.87K
1/4W
GND
5
R95
OUTE
15
17
OUTC
OUTD
20
ISNS
CS
13
CT
D
19
C
OUTB
21
OUTA
R44
5.1K
R87
1.5K
8
8
RMID
0
C24
1.0uF
20.0K
0.1uF
GND-S COMP
R57
22
9
GND-F
R22
30.1k C32
R56
R79
0
R89
2.21K
R50
33
R94
100
5
5VREF
CT
UVLO
B
R78
0
VLOW
ME
C49
220pF
U2
LTC3722EGN-1
VIN
14
12
SBUS
24
18
C16
4
C43
22pF
9
11
10
2
R39
150
ADLY
20K
R18
182k
R53
PDLY
A
SBUS
VREF
R30
LTC3901EGN
T5
OPT.
22pF
12V
C
18.2K
C42
VIN
U1
1
R14
321
4
Q17
R66
ADLY
B
321
4
+
C13
C36
180uF 180uF
16V
16V
+VOUT
VHIGH
MMBZ5226B
6
PDLY
5VREF
R55
80.6K
PDLY
R32
4.99K
R31
OPT.
R28
OPT.
ADLYR54 5VREF
80.6K
B
R33
R65
4.99K
18.2K
4
Q25
1
R85
4.87K
1/4W
SYNC
R27
OPT.
SBUS
321
+
8765
T4
5:5(105uH):1:1
D14
OPT.
NC
R26
OPT.
4
321
Q33
8765
6
1.0mH
C20
OPT.
4
Q24
8765
D12
7
R25
OPT.
C19
1
R24
OPT.
321
Q15
8765
4
R77
0
R86
2.21K
DPRG
R23
OPT.
R49
0.020
1.5W
321
Q14
8765
4
R76
0
P_LEG
A_LEG
8
VIN
D26 3.3V
68uF
20V
Q32
-Vout
L4
100
8765
PGND2
R48
0.020
1.5W
R84
Q23
8765
321
123
C
ISNS
Q13
4
7
4
opt
8765
8
Q11
Q9
R62
D
P2
D25
MURS120
VHIGH
12V
+Vout
12V/35A
7
10
R64
0
+VOUT
L1
8
0.85uH
R75
100
1W
123
A_LEG
MD
123
11
GND2
Q10
4
0
C35
0.22uF
Q29
4
123
4
R74
100
1W
13
4
TG
5678
R61
opt
IN
R60
7
4
5678
10
Q8 5 6 7 8
6
BOOST
-VOUT
Q28
5678
L2
150nH
P_LEG
Q7
R63
0
B
C58
0.1uF
16V
12V
MB
123
0
P_LEG
C34
0.22uF
-Vin
123
R59
7
1
TS
GND
GND
TG
4
C7
470pF
200V
D
1
2
P3
IN
4
6
C1
0.82uF
100V
R10
VHIGH
VLOW
0.47uF 100V
Q4
4
2
1
C59
0.1uF
16V
BOOST
TS
A
8
C3
C4
C5
C46
0.82uF 0.82uF 0.82uF 0.82uF
100V 100V 100V 100V
4
2
C2
0.82uF
100V
VCC
3
C
T1
5:5(105uH):1:1
D216
0.47uF 100V
C45
D22
3
5678
GND
GND
5678
8
Q3
D23
BAS21
12V
36-72Vin
C44
1W
R8
240
1/4W
3
L5
1.3uH
R7
R6
R72
ME
P1
D
R5
DWG NO
REV
A
DC607A
FILENAME:
SHEET
1
1
OF
1
Similar pages