LTC4257 controller equivalent, ieee 802.3af pd power over ethernet interface controller.
* Complete Power Interface Port for IEEE 802.3af® Powered Devices (PDs)
* Onboard 100V, 400mA Power MOSFET
* Precision Input Current Limit
* Onboard 25k S.
with quad network power controllers.
The LTC4257 is available in the 8-pin SO and low profile (3mm × 3mm) DFN packages.
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