DC2262A-A - Schematic

5
4
3
2
1
REVISION HISTORY
+VOUT
U3
MOC207M 4
ASSEMBLY VERSION OUTPUT
5V/13A
DC2262A-A
12V/7A
DC2262A-B
1
6
2
5
DATE
R. HUFF
01-19-2015
T2P
D
C40
1
2KV
3
1
V3RD
E2
1812
C11
2.2uF
100V
1210
R30
OPT
1206
D25
PTVS58VS1UR
OPT
C12
1
1206
11
12
+VOUT
J3
XAL1010-222ME
C7
100uF
6.3V
1210
Q12
BSC054N04NS G
R35
OPT
1206
4
VGS_FREE
5
250V
R31
620
1206
+C8
C13
100uF
6.3V
1210
VDS_FWD
6.3V
6HVA100M
100uF
+5V/13A
D21
LN1351C
GREEN
3
1
2
3
Q13
FMMT723
VDS_FREE
C28
OPT
1206
4
3
CT
2
22uF
100V
1
R66
20
C10
2.2uF
100V
1210
2
+C9
L1
2.2uH
7
8
2
4.9uH
744314490
+VOUT
T2
750313095
VIN
L2
+VOUT
2.2nF
6
HSS
4
PSMN040-100MSE
8
3
7
2
6
1
5
APPROVED
PRODUCTION
E1
Q11
Auxilliary Supply
37V - 57V
DESCRIPTION
3
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
R64
OPT
N/C
7
4
N/C
3
C37
5
R56
750
L5
OPT
2KV
R57
10K
330
V3RD
1
6
A
+VOUT
VIN
2
CT
4
3
7
8
1
2.2nF
1812
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.
+C27
16V
OPT
VDS_PRI
10
11
VDS_FWD
5
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
R52
240
C34
C35
33nF
4.7nF
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
T3
VDS_FREE
B
2
AUX OFF: 27.3V
AUX ON: 28.3V
AUX HYS: 1.0V
OPT
+VOUT
C30
10nF
D26
8.2V
CMHZ4694
2
U5
MOC207M
E6
Optional Footprints
R47
10.0K
1%
1
C38
100pF
C31
0.1uF
R59
R51
100k
1
N/C
6
PG
LIP2
MMBT3904
8
VCC
R65
0
C5
0.1uF
Q25
VCC
C29
0.1uF
D29
BAT54WS
E7
+VOUT
LIP1
R45
1K
2
RLDCMP
R44
20m
2010
1%
13
15
SFST
ROSC
10
1
2
3
2
1
20
24
23
12
21
18
SG
VIN
SWVCC
PG
16
GND
GND
VDS_FREE
+VOUT
0
0402
R50
0
0402
C32
R53
0805
0.47uF 107K
2
R46 CMMSH1-40L
10
0805
2
R62
52.3k
1%
D30
1
R43
17
C
4
1
C33
100pF
R49
80.6
1%
0805
FFSDLY
26
25
T2P
R48
64.9
1%
VDS_PRI
-VOUT
E3
VGS_FWD
0
C26
OPT
0402
ITHB
4
10nF
1206
250V
3
B
ISEN+
ISEN-
27
22
19
29
R60
0
0402
J4
Q14
BSC054N04NS G
100 1206
BSC190N12NS3
Q16
RCLASS
11
E5
VPORTN
250V C15
3
2
1
1
VPORTN
R34
R42
exposed pad, solder side
RCLASS++
NC
DNC
GND
GND_EP
4
FB31
VCC
VCC
VCC
VCC
3
R63
174k
1%
AUX
6
7
8
9
2
14
HSSRC
L4
C24
2.2nF
2KV
1812
R38
10K
PG
T2P
2
C23
0.047uF
U1
100V
LT4276AHUFD
GND
1
D24 8.2
PTVS58VS1UR
R40
0
13K
5
3
0805
1
4
1210
Q15
4
0.1uF
D23
CMMSH1-40L
R39
28
1
2.2mH
7446632002
VCC
VPORT
37V - 57V
R41
0.1uF
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-A
Tuesday, March 31, 2015
SHEET 1
1
REV.
3
OF 2
A
5
4
3
2
1
D
D
VDS_FREE
VDS_FWD
R33
OPT
1206
D19
18V
CMHZ5248B
C1
OPT
1206
+VOUT
D17
CMMSH1-40L
R27
5.1
1206
R37
OPT
1206
D20
18V
CMHZ5248B
C2
OPT
1206
1
VGS_FWD
VGS_FWD
R55
0
0805
VGS_FREE
2
1
R54
0
0805
2
D18
CMMSH1-40L
Q10
OPT
2
Q9
OPT
C16
OPT
1206
1
R26
10
1206
2
C6
OPT
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-A
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-A
Tuesday, March 31, 2015
SHEET 2
1
REV.
3
OF 3
A
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