DC1145 - Schematic

REVISION HISTORY
ECO
REV
DESCRIPTION
0
-
DATE
D1 (CMSH5-60 to SBM540)
D5 (CMSH5-60 to B220A)
1
APPROVED
<DATE>
1st PROTOTYPE
<APPROVED>
10/08/07 Dilian Reyes
12V_AUX
To PHY
E8
12V_AUX
J3
TD+
1
2
CT
3
4
RD+
5
6
TD-
D5
1
RD-
3
2
L1
3.3uH
(Opt)
C3
0.1uF
100V
D9
SMAJ58A-13-F
+
DO2010-332ML
C1 COILCRAFT
4.7uF
63V
R2
220K
0805
C9
1uF
100V
R3
220K
0805
D4
8.2V
MMSZ5237BS
J1
TD+
CT
TDRD+
RD-
VC1-
2
2
D2
HD01-T
+
5
10
11
9
10
47pF
3
D6
HD01-T
+
-
2
ITH/RUN
VFB
PGND
PGND
NGATE
SENSE
45.3
1%
+
C5
100uF
20V
R17
2K
D10
PD On
GRN
16
15
R5
14
10K
4
4.7uF
C4
100uF
20V
4
C8
R7
+
2.2nF
250VAC
U1
LTC4267CDHC
1
C6
10uF
16V
C14
3
-
E1
VOUT
12V @ 0.9A
3
2
SBM540-13-F
4
Q2
SI3440DV 1 2 5 6
9
VC2-
5
PVCC
VPORTP
RCLASS
SIGDISA
NC
PWRGD
13
R9
3.3K
R6
0.06
12
R8
1K
6
C10
0.068uF
11
12V_AUX
7
E6
PoE-
150
470pF
D1
1
7
8
3
8
6
E5
PoE+
BAS516
7
VC2+
JK0-0044NL
PowerJack T12
R4
47
1
1
C7
VC1+
D3
C2
R1
T1
PA1138NL
Q1
MMBTA42LT1G
In From PSE
B220A-13-F
PJ-002AH
CUI Inc.
J2
8
POUT
VPORTN
NC
NC
17
10
R10
402
1%
9
E7
PGND
4
R11
6.8K
C11
ISO1
PS2911-1-K-A
D8
8.2V
MMSZ5237BS
R13
4
100K
3
ISO2
PS2913-1-K-A
3
1uF
16V
2
1
E2
PWRGD
E3
SIGDISA
1
D7
BAS516
1
2
V+
COMP
REF
8
RTOP
4
RMID
7
COLLECTOR
R16
100K
0.033uF
3
2
GND-F
R12
107K
1%
C13
C12
(Opt)
R14
61.9K
1%
R15
28.0K
1%
GND-S
6
5
U2
LT1431CS8
E4
ISO_GND
APPROVALS
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.
LINEAR TECHNOLOGY CORPORATION
APPROVED:
1630 McCARTHY BLVD
www.linear.com
MILPITAS, CA. 95035
LTC Confidential (408)432-1900
For Customer Use Only
(408)434-0507 (FAX)
Title: LTC4267CDHC
PoE Powered Device w/12V Isolated Auxiliary
CHECKED:
SD
DRAWN: Rudy Bautista
ENGINEER:
Date:
Dilian Reyes
Tuesday, August 26, 2008
Document Number
Rev
Demo Circuit 1145A
C:\ORCADWIN\CAPTURE\1145A\1145A_REV2.DSN
Sheet
2
1
of
1
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