ncp1091 ON Semiconductor, ncp1091 Datasheet - Page 3

• Manufacturer Part Number: ncp1091
• Description: Ncp1090, Ncp1091, Ncp1092 Integrated Ieee 802.3af Poe-pd Interface Controller
• Manufacturer: ON Semiconductor

Simplified Application Diagrams
Spare
Pairs
Pairs
Data
Spare
Pairs
Pairs
Data
RJ−45
RJ−45
Figure 3. Typical Application Circuit using the NCP1091 with External UVLO Setting
DB1
DB2
DB1
DB2
Figure 2. Typical Application Circuit using the NCP1090
Ruvlo2
Ruvlo1
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Rdet
Rdet
Rinrush
Rclass
Rinrush
3
Rclass
VPORTP
DET
CLASS
INRUSH
NC
VPORTN
VPORTP
DET
CLASS
INRUSH
UVLO
VPORTN
NCP1090
NCP1091
PGOOD
RTN
PGOOD
RTN
To DC−DC
Converter
To DC−DC
Converter