DC558A - Schematic

5
4
S2+
R12 10
S2-
R13 10
S3S3+
C4
2200PF
C5
2200PF
D
J2
VIN-
33
SGND
+5V
4
SENSE1+
5
SENSE1-
6
SENSE2+
7
SENSE2-
8
SENSE3-
9
SENSE3+
DRVIN
21
BG1 20
PGND 19
BG2 18
C11
1UF
BG3 17
SW3 16
TG3 15
UVADJ
3
BAT54
C6
2200PF
C35
VIN+
1
S1-
S1+
2
2
5
VOUT+
10
VOUT+
COUT2
D5
Q4
IRF6607
VOS+
R28
R25
0.0015
1
B320A
100uF
COUT3
COUT4
COUT5 COUT6
100uF
100uF
100uF
R18 VIN+
357K
1
R8 3
10K
JP5
2
60
1
Q5
IRF6604
5
1UF
C15
C16
COUT12
22UF
22UF
22UF
10
VOUTE6
VOS-
Q6
IRF6607
5
J5
VOUT+
J4
VOUTR29
2
VOS-
R27
0.0015
1
C
1.5V/60A
C36
CIN4
10UF
L3 0.36uH
300
CLKOUT
SELECT
CIN10
1uF
J3
VOUT+
100uF 1
+5V
VOSVOUT+
D6
B
B320A
6
7
R17
133K
C12
4.7UF
10V
1206
D3
LTC3731CUH
R30
OPT
L2 0.36uH
+5V
E5
VOS+
C10 0.1UF
BOOST3 14
PHASMD/PG 13
ITH
VOS+
CIN3
10UF
VIN+
RUN/SS
12
R20
1
5
CIN9
1uF
2
3
4
5
EAIN
OPT
E2
CIN7
OPT
S2-
3
0.22UF
TG2 23
SW2 22
Q3
IRF6604
S2+
DIFFOUT
C13
2
DIFF-
2
11
1
2
3
4
SW1 25
BOOST2 24
1
DIFF+
1
1
2
3
4
32
VIN+
6
7
PLLFLTR BOOST1 27
FCB
TG1 26
B
RUN/SS
1
2
3
4
6
7
31
10
R14 10
R15 10
CIN6
OPT
J1
VIN+
5V TO 14V
D4
S3-
R11 10
CIN5
OPT
CLKOUT
B320A
S3+
S1-
E3
VIN-
1
R10 10
CIN1
270uF
16V
R23
0.0015
1
2
VDIFFOUT
PLLIN
30
Q2
IRF6607
5
0.22UF
1
2
3
4
E13
C14
CLKOUT 28
29
1
2
3
4
R7 12.1K
S1+
CIN11
10UF
16V
+
6
7
BM
47pF
E12
VIN+
VINL1 0.36uH
1
2
3
4
COM
C21
EAIN
APPROVED
05/13/03
3
FCB
JP2 1
3
C34 330pF
VOS-
CIN2
10UF
2
U1
2
C
CIN8
1uF
Q1
IRF6604
5
JP1
FREQ
SGND
R6 8.06K
DATE
PROTO
VIN+
6
7
VOS+
D1
BAT54A
6
7
C3
1000PF
3
1UF
1
R510K
+5V
C1
1
C2
0.01UF
VIN+
+5V
10
R4
2.43K
DESCRIPTION
CLKOUT
R1
EXT
SYNC
2
INT
PROG
REV
4
SYNC-IN
R3
8.06K
1
ECO
2
E1
SYNC-IN
2
REVISION HISTORY
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
Customer Notice:Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers 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
Applications Engineering for assistance.
D
3
+C18
+C19
OPT
OPT
+C20
+C30
470uF
+C49
470uF
470uF
+C50
470uF
RUN/SS
C7
0.01UF
R16
4.75K
C8
2200PF
VOUT+
R41OPT
C9 100PF
+5V
R42
C51
C52
100uF
100uF 100uF 100uF 100uF 100uF 100uF 100uF
C53
C54
C55
C56
C57
C58
OPT
E11
ITH
E4
PG
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCE ON ANGLE - - 2 PLACES - - - 3 PLACES - - INTERPRET DIM AND TOL
PER ASME Y14.5M -1994
A
NOTES:
[1] DO NOT STUFF
THIRD ANGLE PROJECTION
CONTRACT NO.
APPROVALS
DRAWN
DATE
MEI
07-15-02
CHECKED
TECHNOLOGY
TITLE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
A
SCH,LTC3731CUH, 3-PHASE HIGH EFFICIENCY
DC/DC CONVERTER
APPROVED
ENGINEER
SIZE CAGE CODE
DESIGNER
Custom
DO NOT SCALE DRAWING
5
4
3
Wednesday, October 29, 2003
SCALE:NONE
2
DWG NO
REV
4
DC558A
FILENAME: 558A-4.DSN
SHEET
1
1
OF
2
4
1
2
1
R34
3
50K
SLOPE UP
7
R36 1K
VR1
0603
LT1004-1.2
+
OFF
OPT
0603
IMAX
ADJ.
5%
DLC
JP7
2
R38
20K
2
4
8
5
+
-
1
Q15
FMMT718
7
5%
X7R
0603
SUD50N03-10CP
J6
LOAD
STEP
1
0.1UF
X7R
0603
-12V
R40
0.005
R19
0.005
2512
2512
C
2
3
4
5
C26
X7R
0603
VOUT+
C32
0.1UF
Q14
1
0603
4.7uF
16V
C31
1uF
22UF
R39 2K
ON
C25
3528
C17
2
-
VOUT+
0603
3
8
U3A
LT1361CS8
+
6
4
SOD323
1
2
C33OPT
1
-
X7R
3
D2
+
2
C29 0.01uF
6
SOD323
C23
0.01uF
X7R
0603
3
50K
CMDSH-3
CMDSH-3
C22
0.1UF
R33
5
U4
LT1210CR
0603
R43
D
X7R 0603
5%
3
1
X7R
0603
+
1
3
0.1UF
R37
3.9K
U3B
LT1361CS8
4.7uF
16V
C28 0.1UF
C27
3528
1
2
D9
2
1
5%
0603
3
Q16
FMMT619
1uF
8
R35
390K
4
R32
1.5K
OUT
C46
C37
6
TRIG
RSET
DSCH
THRES
CON
TLC555CD
+12V
+12V
TRIG1
5%
0603
1
+12V
C24 100pF
2
GND VDD 8
2
4
7
6
5
5%
0603
U2
3
SOT23
SLOPE DOWN
R31
39K
C
1
4
+5V
2
MMBZ5231BLT1
D7
DYNAMIC LOAD
CIRCUIT
D
3
3
5
VIN+
C40
1uF 25V
R9
13.3K
1
C42
4.7uF
L5A
6328-TO64
U7
B
1 IN
C44
1uF
OUT
3 SHDN
1%
0603
LT1761ES5-5
3
B0540W
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
Customer Notice:Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers 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
Applications Engineering for assistance.
3
C45
0.01uF
ADJ 4
+
X7R
0603
1
+5V
JP6
5V SEL
C48
10uF
10V
E8
PGND
2
-12V
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCE ON ANGLE - - 2 PLACES - - - 3 PLACES - - INTERPRET DIM AND TOL
PER ASME Y14.5M -1994
THIRD ANGLE PROJECTION
CONTRACT NO.
APPROVALS
DRAWN
CHECKED
MEI
DATE
07-15-02
TECHNOLOGY
TITLE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
A
SCH, LTC3731CUH, 3-PHASE HIGH EFFICIENCY
DC/DC CONVERTER
APPROVED
ENGINEER
DESIGNER
SIZE CAGE CODE
Custom
DO NOT SCALE DRAWING
5
5
E7
EXT
16V
1206
D10
1
INT
C43
4.7uF
L5B
6328-TO64
A
VIN+
16V
1206
2
NPO
0603
1
C41
10pF
2
LT1930ES5
1%
0603
2
OFF
FB 3
R44
115K
+5V
C471uF
B0540W
GND
2 4 SHDN
1206
SW 1
ON
VIN 5
U6
GND
DLC
BIAS
1
35V
1206
C38
1uF JP8
2
C39
4.7uF
3
B
CMD4D08-100
1
4
+5V
+12V
D8
2
2
L4
4
3
Wednesday, October 29, 2003
SCALE:NONE
2
DWG NO
REV
4
DC558A
FILENAME: 558A-4.DSN
SHEET
1
2
OF
2
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