DC1567B - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
2
DESCRIPTION
REBUILD WITH CHANGE
APPROVED
DATE
DILIAN R.
07-09-15
SW2
1
2
RESET
R15
0
SW1
SDAOUT
MAIN PS
D6
36
4
AD3
6
5
AD2
AD1
7
3
SDAIN
38
SCL
37
INT
35
14
34
MSD
MID
C1
0.1uF
D3
SMAJ58A
2
E2
1
RS2
RS3
1
10
5
3
R4 75
8
R3 75
SS-7188S-A-NF
C3
1000pF
2kV
32
31
4
2
7
9
FB1
3
1
2
J2
8
6
D4
S1B
13
14
15
C5
0.22uF
100V
16
1
RS4
1
1
R2 75
1
RS1
4
1
2
3
4
5
6
7
8
9
12
10
OUT
GATE
SENSE
30
VEE
VEE
VEE
VEE
VEE
VEE
C4
1uF
100V
DNC
2
9
11
12
20
21
23
24
28
29
1
R18
10k
1
R17
10k
AGND
TP1
DGND
19
22
25
26
27
39
Q2
CMPTA92
DGND
DGND
DGND
DGND
18
2
10
15
16
17
R14
0
VEE
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
ORANGE
1
R5
750k
RESET
AUTO
R1 75
DATA
FROM
PHY
TP3
2
1
R11 0
3
_
R13
1k
2
2
C2
4.7uF
100V
CMHZ4687-4.3V
+
D1
1
1
2
+
Q1
PHT6NQ10T
VEE
D5
S1B
18
VEE
1
TRD1+
TRCT1
TRD1-
2
TRD2+
3
TRCT2
TRD2-
6
TRD3+
4
TRCT3
TRD3-
5
TRD4+
7
TRCT4
C
8
TRD4VC1A
VC1B
VC2A
VC2B
FB2
2
D2
SMBJ58A
VDD 13
VDD
R12 0 33
SHDN
R10
10 0805
E1
55V
LTC4274CUHF
TP2
11
AD0
U1
AGND
C
INT
SHDN
MAIN PS
INPUTS
D
2
1
1
DATA AND POWER TO PD
R16
0
SDAOUT
D
4 X 12nF
100V
4 X 75 Ohms
LED1A
1000pF 2kV
17
LED1C
B
B
RLED
12k
1/4W
SHIELD1
LED2X
3
19
SHIELD2
Q10
CMPTA42
1
20
2
R8
100k
CUSTOMER NOTICE
VPORT-
TECHNOLOGY
KIM T.
5
4
3
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DILIAN R. TITLE: SCHEMATIC
SINGLE PORT IEEE 802.3at PSE
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
0838-1X1T-W7
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.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
J1
E4
VPORT+
22
LED2Y
VEE
E3
21
N/A
SCALE = NONE
2
DATE:
IC NO.
LTC4274CUHF
REV.
2
DEMO CIRCUIT 1567B
Thursday, July 09, 2015
SHEET
1
1
OF
1
A
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