FDMQ8205
TYPICAL APPLICATION
RJ45
Connector
1
POUT
G3
G2
INPUT1
G1
FDMQ8205
2
3
VOUTP
INPUT2
G4
VOUT+
Isolated
DC/DC
Converter
0.1 mF
22 mF
TVS
PoE PD
Interface
VOUT−
6
4
NOUT
VOUTN
POUT
5
7
G3
G2
INPUT1
G1
FDMQ8205
INPUT2
G4
8
NOUT
Figure 1. Typical Application of Power Device for Power over Ethernet
BLOCK DIAGRAM
OUTP
OUTP
Q3
Q2
Gate
Gate
G2
G3
driven
driven
Q4
Q1
Gate
Gate
G1
G4
driven
driven
INPUT2
INPUT1
OUTN
OUTN
Figure 2. Block Diagram
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2