DC2262A-B - Schematic

5
4
3
2
1
REVISION HISTORY
+VOUT
U3
MOC207M 4
ASSEMBLY VERSION OUTPUT
5V/13A
DC2262A-A
12V/7A
DC2262A-B
PRELIMINARY
1
6
2
5
DATE
KAUNG H.
02-22-2012
T2P
D
C40
1
2KV
3
1
V3RD
E2
1812
7
8
9
C11
2.2uF
100V
1210
R30
OPT
1206
D25
PTVS58VS1UR
OPT
C12
1
1206
VDS_FREE
+VOUT
J3
XAL1010-822ME
C7
22uF
16V
1210
Q12
BSC123N08NS3 G
R35
OPT
1206
16V
16HVA100M
4
VGS_FREE
5
250V
R31
2K
1206
+C27
C13
22uF
16V
1210
VDS_FWD
+12V/7A
D21
LN1351C
GREEN
3
1
2
3
Q13
FMMT723
10
11
12
4
3
CT
2
22uF
100V
1
R66
20
C10
2.2uF
100V
1210
2
+C9
L1
8.2uH
C28
OPT
1206
2
4.9uH
744314490
+VOUT
T2
EPC3577G-LF
VIN
L2
+VOUT
2.2nF
6
HSS
4
PSMN040-100MSE
8
3
7
2
6
1
5
APPROVED
1ST PROTOTYPE
E1
Q11
Auxilliary Supply
37V - 57V
DESCRIPTION
1
R28
47k
10k
D12
PDS5100H
E8
REV
1
7
N/C
ECO
8
R29
2
AUX+
N/C
5
6
7
8
D
3
T2P
N/C
L3
AUXE9
5
6
7
8
5
6
7
8
1
2
3
2
1
N/C
7
N/C
4
N/C
3
6
100k
C37
D29
BAT54WS
5
R56
750
2KV
R57
10K
820
L5
OPT
1
2.2nF
1812
T3
VDS_FREE
V3RD
1
6
A
+VOUT
VIN
2
CT
4
3
7
8
CUSTOMER NOTICE
VDS_FREE
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.
+C8
6.3V
OPT
VDS_PRI
10
11
VDS_FWD
5
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
20K
100pF
C35
6.8nF
D27
ZR431F01TA
R58
10.0K
1%
NOTES:
1. Unless otherwise noted, all resistors on this sheet are 0603, 5%
2. Unless otherwise noted, all capacitors on this sheet are 0603 and 50V
OPT
+VOUT
R52
C34
2
AUX OFF: 27.3V
AUX ON: 28.3V
AUX HYS: 1.0V
Optional Footprints
B
2
U5
MOC207M
E6
E7
C30
330pF
D26
13V
CMHZ4700
R47
38.3K
1%
1
C38
100pF
C31
0.1uF
R59
R51
PG
LIP2
Q25
MMBT3904
8
107K
R65
0
C5
0.1uF
1
RLDCMP
R64
OPT
VCC
13
GND
GND
+VOUT
LIP1
R45
13K
2
16
R44
15m
2010
1%
C29
0.1uF
R53
VDS_FREE
+VOUT
0
0402
R50
15
SFST
ROSC
10
11
1
2
3
18
24
23
12
21
20
PG
SG
VIN
SWVCC
17
VCC
C32
0805
1uF
2
R46 CMMSH1-60
10
0805
2
R62
52.3k
1%
R43
1
C33
100pF
R49
52.3
1%
0805
FFSDLY
26
25
T2P
R48
118
1%
C
D30
1
3
B
BSC190N12NS3
Q16
0
0402
ITHB
-VOUT
E3
VGS_FWD
0
C26
OPT
0402
ISEN-
27
22
19
29
R60
0
0402
ISEN+
4
33nF
1206
250V
3
2
1
1
E5
VPORTN
R38
10K
RCLASS
VCC
VCC
VCC
VCC
VPORTN
J4
Q14
BSC123N08NS3 G
100 1206
4
exposed pad, solder side
RCLASS++
NC
DNC
GND
GND_EP
4
FB31
6
7
8
9
3
R63
174k
1%
AUX
HSSRC
2
14
R34
VDS_PRI
R42
L4
C24
2.2nF
2KV
1812
250V C15
PG
T2P
2
C23
0.047uF
U1
100V
LT4276AHUFD
GND
1
D24 8.2
PTVS58VS1UR
R40
0
29.4K
5
3
0805
1
4
1210
Q15
4
0.1uF
D23
CMMSH1-40L
R39
28
1
2.2mH
7446632002
VCC
VPORT
37V - 57V
R41
0.22uF
FDMC2523P
C18
C21
10nF
0603
100V
C19
2.2nF
2KV
1812
C22
1nF
100V
D22
BAV19WS
VCC
E4
HSGATE
VPORTP
2
C
C17
10uF
1206
10V
R36
3.3K
100uH
2
VPORTP
C14
8
7
6
5
VCC
4
3
2
APPROVALS
TECHNOLOGY
PCB DES. R. HUFF
APP ENG. R. HUFF
TITLE: SCHEMATIC
HIGH EFFICIENCY LTPOE++ PD INTERFACE
WITH INTEGRATED SWITCHING REGULATOR
SIZE
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
IC NO.
LT4276AHUFD, LT4321IUF
DEMO CIRCUIT 2262A-B
Tuesday, March 31, 2015
SHEET 1
1
REV.
3
OF 2
A
5
4
3
2
1
D
D
VDS_FREE
VDS_FWD
+VOUT
D17
CMMSH1-100
Q9
FMMT624
C16
OPT
1206
R27
5.1K
1206
R37
OPT
1206
D20
7.5V
CMHZ5236B
C2
100p
1206
1
C1
100p
1206
1
R54
OPT
0805
VGS_FWD
VGS_FWD
R55
OPT
0805
VGS_FREE
2
1
D19
7.5V
CMHZ5236B
2
R33
7.5
1206
D18
CMMSH1-100
Q10
FMMT624
2
R26
5.1K
1206
2
C6
820pF
1206
1
+VOUT
VGS_FREE
C
C
B
B
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. R. HUFF
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG. R. HUFF
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
TECHNOLOGY
TITLE: SCHEMATIC
A
HIGH EFFICIENCY LTPOE++ PD INTERFACE
WITH INTEGRATED SWITCHING REGULATOR
SIZE
IC NO.
LT4276AHUFD, LT4321IUF
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
DEMO CIRCUIT 2262A-B
Tuesday, March 31, 2015
2
SHEET 3
1
REV.
3
OF 3
5
4
3
2
1
REVISION HISTORY
ECO
T1
REV
1
749022016
1
DESCRIPTION
1ST PROTOTYPE
APPROVED
DATE
KAUNG H.
02-22-2012
IN FROM
LTPoE++ PSE
37V-57V
16
18
17
19
21
20
10
SS-6488-NF-K1
22
24
23
Shield
C20
OPT
1206
DATA1-1
DATA1-1
DATA1-2
DATA1-2
DATA2-1
DATA2-1
DATA2-2
DATA2-2
XTX
X+
DTD
D+
XTX
X+
DTD
D+
XTX
X+
DTD
D+
XTX
X+
DTD
D+
RT1
75
RT2
75
RT3
75
RT4
75
CT1
0.01uF
100V
0805
CT2
0.01uF
100V
0805
CT3
0.01uF
100V
0805
CT4
0.01uF
100V
0805
C
9
13
15
14
1
2
3
4
5
6
7
8
12
10
11
1
2
3
4
5
6
7
8
9
7
8
6
4
5
3
1
2
RT5
75
RT6
75
RT7
75
J2
OUT TO PHY
10
D
SS-6488-NF-K1
RT8
75
CG1
1000pF
1808
2KV
C
BG36
7
8
BG78
BG45
3
2
1
EN
OUTN
OUTN
R61
0
10
9
17
NOTES:
1. Unless otherwise noted, all resistors on this sheet are 0603, 5%
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
D2
PTVS58VS1UR
B
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO
PCB DES. R. HUFF
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG. R. HUFF
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
C39
0.047uF
100V
VPORTN
CUSTOMER NOTICE
5
1
BG12
13
EP
TG45
PSMN075-100MSE
VPORTN
BG36
DATA1-1
14
IN45
TG78
4BG78
BG12
EN
6
4BG45
PSMN075-100MSE
3
2
1
IN36
D3
MMSZ5252BS
24V
11
1
4
OUTP
2
3
TG45
VPORTP
12
2
DATA2-1
TG36
BG45
2
BG78
DATA1-2
5
4BG36
TG12
TG12
1
IN78
8
7
6
5
8
7
6
5
Q24
PSMN075-100MSE
3
2
1
3
2
1
TG36
DATA2-2
Q22
4BG12
PSMN075-100MSE
3
2
1
3
2
1
3
2
1
Q20
PSMN075-100MSE
4TG78
PSMN075-100MSE
DATA2-1
8
7
6
5
8
7
6
5
DATA1-2
Q18
Q23
4TG45
PSMN075-100MSE
3
2
1
PSMN075-100MSE
DATA1-1
8
7
6
5
Q21
4TG36
DATA2-2
Q19
4TG12
B
8
7
6
5
8
7
6
5
8
7
6
5
Q17
16
U7
LT4321IUF
VPORTP
IN12
PoE IDEAL DIODE BRIDGE
15
CG2
1000pF
1808
2KV
TG78
D
9
Shield
J1
TECHNOLOGY
TITLE: SCHEMATIC
HIGH EFFICIENCY LTPOE++ PD INTERFACE
WITH INTEGRATED SWITCHING REGULATOR
SIZE
N/A
SCALE = NONE
2
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
IC NO.
LT4276AHUFD, LT4321IUF
DEMO CIRCUIT 2262A-B
Wednesday, April 01, 2015
SHEET 2
1
REV.
3
OF 3
A
Similar pages