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| NCP1090 Datasheet, PDF (3/12 Pages) ON Semiconductor – Integrated IEEE 802.3af PoE-PD Interface Controller | |||
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NCP1090, NCP1091, NCP1092
Simplified Application Diagrams
RJâ45
Data
Pairs
Spare
Pairs
VPORTP
Rdet
DB1
DET
Rclass
CLASS
PGOOD
Rinrush
NCP1090
INRUSH
RTN
DB2
NC
VPORTN
Figure 2. Typical Application Circuit using the NCP1090
To DCâDC
Converter
RJâ45
Data
Pairs
DB1
DB2
Spare
Pairs
Rdet
VPORTP
DET
Rclass
CLASS
PGOOD
Ruvlo1
Ruvlo2
NCP1091
Rinrush
INRUSH
UVLO
RTN
VPORTN
To DCâDC
Converter
Figure 3. Typical Application Circuit using the NCP1091 with External UVLO Setting
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