TPS23755 - IEEE 802.3at PoE PD
The TPS23755 device combines a Power over Ethernet (PoE) powered device (PD) interface, a 150V switching power FET, and a current-mode DC-DC controller optimized for flyback topology.
The high level of integration along with primary side regulation (PSR), spread spectrum frequency dithering (SSFD),
TPS23755 Features
* Complete IEEE 802.3at PD solution for type 1 PoE
* Ethernet Alliance (EA) logo certified designs available
* Robust 100-V, 0.36-Ω (typ) hotswap MOSFET
* Programmable classification level
* Integrated PWM controller with 0.77-Ω (typ) 150-V power MOSFET