ncp1091 ON Semiconductor, ncp1091 Datasheet - Page 10

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

Thermal Shutdown
protect the device in case of high junction temperature. Once
the thermal shutdown (TSD) threshold is exceeded, the
classification block, the pass switch and the PGOOD
indicator are disabled. The NCP109X returns automatically
to normal operation once the die temperature has fallen
below the TSD low limit.
Spare
The NCP1090/91/92 include a thermal shutdown which
Pairs
Pairs
Data
RJ−45
DB1
DB2
Figure 10. PoE Supply Dominant PD Interface
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