DC448A - Schematic

5
4
3
2
1
REVISIONHISTORY
N O T E S : UNLESS OTHERWISE SPECIFIED,
L T C CONFIDENTIAL - For Customer Use Only
ECO
[1]
DESCRIPTION
DATE
APPROVED
OPTIONAL.
0
36V-72V
REV
5
PROTO
<
??
Vi
L1
1.2uH
P1
VIN
+Vin
DO1813P-122HC
R1
1
5 6 7 8
2
Q1
Si7456DP
5 6 7 8
2
0
4
Q2
1
MMBT3906LT1
[1]
1 2 3
SEC
T1
Pulse
PA0191
1 2 3
1
3
D
Q15
Si7456DP
[1]
4
L3
CEP125-2R5
D
Vout
P8
7
Vout
+Vo1
D2
D1
[email protected]
B2100
1.5uF
1.5uF
100V
B2100
5 6 7 8
R2
100V
1
2
5 6 7 8
Q3
Si7456DP
4
4
5
Q16
Si7456DP
[1]
2
4
1 2 3
2
0
Q8
1
8 7 6 5
Q4
1 2 3
8 7 6 5
Q5
Si7892DP
4
Si7892DP
4
C9
1000pF
100V
R3
10
1/4W
R4
10
1/4W
8 7 6 5
C4
+ 470uF
4V
POSCAP
C5
+ 470uF
4V
POSCAP
C18
10uF
6.3V
Q6
Si7892DP
4
3
R9
C8
1000pF
100V
C7
+ 470uF
4V
[1]
2
C3
1
C2
3 2 1
MMBT3906LT1
[1]
3 2 1
3 2 1
P2
Vo RTN
C10
R6
-Vin
L2
1mH
P7
3
0.020 1 %
1/2W
Vout
3.3
2200pF
D3
D18
C6
250VAC
Vcc
1uF
DO1608C-105
COILCRAFT
Vi
B0540W
BAS21TA
D6
D4
BAS21TA
Q10
B0540W
R16
2K
0.25W
ZVN3310F
2
R25
20K
1
D7
R18
100
2
C
VccS
Q12
FZT690B
Q7
FZT853
C13
C
0.22uF
1
0.25W
2
3
Vcc
BAT54
D20
R17
R8
10
B0540W
1
3
Vcc
D19
5241B
11V
D12
2
10K
D10
10V
MMBZ5240B
C15
4.7uF
16V
2
1
3
C14
330pF
1
BAT54S
Vi
2
0.01uF
LT3781EG
1
8
4 3
5Vref
1
2
5
6
CG
VCOMP
2
16
11
FG
R33
3.01K
1%
B
8
MARGIN
VAUX
4700pF
3
0.01uF
1
Vout
2
1
0
0.01uF
C30
0.1uF
R46
1K
ICOMP
Vo1 Trim
13
R47
1.24K
1%
R48
1.78K
1%
C33
0.1uF
2
2
2
C32
82pF
R40
2
C11
1
C31
1uF
C29
8
3300pF
PWRGGD
C26
GND
C22
7
10
6
5
R42
2.43K
1%
9
P5
OPTODRV
PGND
VC
SGND
SS
R41
10
R45
1.24K
1%
OVPIN
1K
1
1
2
ISNSGND
2
1
4
R37
52.3K 1 %
R43
10K
R34
2.43K
1%
LTC1698EGN
MOC207
14
100K
C28
1000pF
Vout
U4
ISO1
9
R39
C25
4.7uF
16V
SYNC
VFB
7
1uF
15
2
470
R35
10
4
8
VFB
3K
C27
1
VDD
14
11
15
SYNC
FSET
5Vref
RT1
3
5
SHDN
6
1
12
220pF
THERM
D17
MMBD4148
5VREF
P9
ON OFF
SG
R31
1
0.022uF
R32
470
OVLO
7
2
7
C17
PGND
TG
U3
SENSE
VCC
VBST
13
B
18
100V
19
0.1uF
20
BAS21TA
1000pF
C19
T2
PULSE ENG.
P2033
4
1
C20
BG
D13
C16
C21
1uF
16V
1
C1
12
R26
73.2K
1%
BSTREF
R24
270K
0.25W
ISNS
Vcc
A
A
CONTRACTNO.
U N LESS OTHERWISE SPECIFIED
D IMENSIONS ARE IN INCHES
TOLERANCE ON ANGLE - - 2 PLACES - - 3 PLACES - - INTERPRET DIM AND TOL
PER ASME Y14.5M -1994
APPROV ALS
D R A W N MEI
DATE
07/15/02
TECHNOLOGY
TITLE
CHECKED
THIRD ANGLE PROJECTION
APPROVED
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
SCH, LT3710EFE/LT3781EG/LTC1698EGN DUAL OUTPUT
ISOLATED POWER SUPPLY
ENGINEER
DESIGNER
SIZE CAGE CODE
C
Thursday, September 12, 2002
DO NOT SCALE DRAWING
5
4
3
2
SCALE:NONE
DWG NO
REV
5
DC448A
FILENAME: 448A-5.DSN
SHEET
1
1
OF
2
5
4
3
2
1
REVI SION HISTORY
ECO
REV
>
DESCRIPTION
5
DATE
Proto
APPROVED
<
?
D
D
C37
4
680pF
14
2
C35
1
1
2
6
SW
CSET
BGATE
PGND
BGS
ILCOMP
10K
CL+
1
2
1
1 2 3
2
15
R7
9
L4
CEP125-1R8
R49
0.004 1%
P10
D15 CMDSH-3
5 6 7 8
0 [1]
1
Q14
Si7892DP
4
2
11
D16
Q17
Si7892DP
[1]
1 2 3
1 2 3
+Vo2
2512
C46
1000pF
5 6 7 8
4
12
C42
[1]
B340A
R64
10 [1]
1/4W
R59
100
4700pF
C12
+ 680uF
4V
[1]
C40
C41
+ 680uF
+ 680uF
4V
4V
POSCAP
POSCAP
[email protected]
C
C23
10uF
6.3V
R53
220
C43
8
CL-
R56
10
16
3
5 6 7 8
4
2
TGATE
10
180pF
50V
R57
2
Q13
Si7892DP
2
C
C47
1uF
GBIAS
LT3710EFE
VCC
C44
0.1uF
16V
1
1
VccS
SS
D14
CMDSH-3
1
13
SYNC
VFB
7
0.01uF
BOOST
C34
5
VAOUT
10K
1
2
C36
4.7uF
16V
1
2
2
U5
1
R58
1
SEC
[NOT USED]
R5
1
C45
10pF
2
2
Vout
0.01uF
R50
1
C38
R51
3.01K
1%
2
3.30K
.033uF
C39
330pF
JP2
R60
B
9.1K
1
2 . 5V
2
3
4
R61
R52
2.32K
1%
6.2K
R54
3.40K
1%
B
1 . 8V
JP1
1
2 . 5V
2
Vo2 SELECT
3
4
1 . 8V
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCE ON ANGLE - - 2 PLACES - - - 3 PLACES - - INTERPRET DIM AND TOL
PER ASME Y14.5M -1994
A
THIRD ANGLE PROJECTION
CONTRACT NO.
APPROVALS
DRAWN MEI
DATE
08-02-01
CHECKED
TECHNOLOGY
TITLE
APPROVED
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
A
SCH, LT3710EFE/LT3781EG/LTC1698EGN DUAL OUTPUT
ISOLATED POWER SUPPLY
ENGINEER
SIZE CAGE CODE
DESIGNER
B
DO NOT SCALE DRAWING
5
4
3
Thursday, September 12, 2002
2
SCALE:NONE
DWG NO
REV
5
DC448A
FILENAME: 448A-5.PCB
SHEET
1
2
OF
2
1
2
REVISION HISTORY
LTC CONFIDENTIAL - For Customer Use On ly
ECO
REV
DESCRIPTION
C3
0.1uF
100V
R12
75
0805
4
RXCT
C7
0.068uF
TXCT
APPROV ED
12/02/02
C4
0.1uF
100V
C8
0.001uF
2KV
R11
75
0805
DATE
PROT O
4
100V
V+
BR1
~
+
3 ~
-
L1
1
2
+ C1A
1uH
C1B
2.2uF
100V
4.7uF
DF01SA
J2
TXOUT+
3
10
7
9
8
TX-
2
R8
51
0603
XFMR
C16
0.068uF
100V
5
7
SPARE-
8
RJ45
R9
100K
0805
SIGNATURE
C2
0.01uF
X7R
0603
JP5
1
D2
RCLASS
S1B
JP0
JP1
JP2
JP3
JP4
D1
S1B
R1
124
1%
0805
R2
68.1
1%
0805
R3
45.3
1%
0805
NC
8
GND
2 RCLASS SIG_DISA
3 NC2
PWRGD
7
4 -48VIN
5
6
-48VOUT
R18 10K
VIN-
VOUT-
Q1
2N7002
10
2
9
2
OPT.
0603
100uF
X5R
6.3V
JP6
IMIN
VOUT-
0603
D6
U2
MMBD4148
1 RUN
2 ITH
PWRGD
R16
100
0805
R17
750
0805
3 FB
4
CC2
SENSE
VIN
INTVCC
FREQ
5
RC
12K
0603
CC1
1nF
0603
C6
1uF
10V
0805
VOUT+
R19
20
1%
1W
C9
C10
C12
C13
1
3
OPT.
0603
VIN-
C17
0805
C15 OPT.
Q4
FMMT2222
LTC4257IS8
R4
30.9
1%
0805
R10
100K
0805
1
DISABLE
U1
RXOUTSPARE+
4
C14
OPT
ENABLE
RX-
6
FROM
D3
SMAJ58A
RXOUT+
R7
51
0603
RX+
3
PSE
3
6
4
1
2
14
11
T2
TXOUT-
[email protected]
1
UPS840
GATE
MODE/SYNC
GND
10
9
1
2
5
6
TX+
15
3 D5
2
8
7
3
Q3
FDC2512
6
4
J1
1
PWRGD
3
8
RJ45
16
D4
MMBZ5235B
6.8V
CTX-02-15242
T1
7
C11
0.01uF
X7R
0603
12
5
IN
Q2
FMMT625
11
R6
51
0603
4
2
PHY
A
1
6
TO
GND
SIG_DISA
OUT
R13
100K
5%
0805
R5
51
0603
2
3
1
A
LTC1871EMS
RT
80.6K
1%
0603
R14
12.4K
1%
0603
C5
4.7uF
6.3V
0805
RS
0.1
1%
0805
R15
21K 1%
0603
B
B
U1
NOTES: UNLESS OTHERWISE SPECIFIED,
1. ALL RESISTOR VALUES ARE 5%.
RCLASS
2. ASSEMBLY: INSTALL ONLY 2 JUMPERS ON PCB. PUT
ONE JUMPER ON JP1 AND PUT ONE JUMPER ON JP5-ENABLE
CUSTOMER: INSTALL JUMPER ON JP1 FOR CLASSIFICATION CLASS 1,
JP2 FOR CLASS 2, ETC. INSTALL JUMPER ON JP5-ENABLE FOR NORMAL
OPERATION. INSTALL JUMPER JP5-DISABLE TO DISABLE 25K OHM
SIGNATU RE.
1 NC
GND
2 RCLASS SIG_DISA
3
8
4
5
NC2
VIN-
-48VIN
PWRGD
-48VOUT
GND
7
SIG_DISA
6
PWRGD
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 PROJECT ION
CONTRACTNO.
APPROVALS
DRAWN MEI
DATE
12-02-02
CHECKED
TECHNOLOGY
TITLE SCH, LTC4257IS8 IEEE 802.3af PD INTERFAC E
CONTROLLER
APPROV ED
LTC4257DFN8
ENGINEER
DESIGNER
SIZE CAGE CODE
Custom
DO NOT SCALE DRAWING
1
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
Thursday, December 05, 2002
SCALE: NONE
2
DWG NO
REV
4
DC485A
FILENAME: 485A-4.DSN
SHEET
1
OF
1
Similar pages