This LM5072MH-80/NOPB power over Ethernet controller from Texas Instruments can provide a great alternative to traditional AC power outlets. The best way to provide power to your application is by using this, which needs a voltage of at least 9 V and no higher than 70 V. In order to ensure parts aren"t damaged by bulk packaging, this product comes in tube packaging to add a little more protection by storing the loose parts in an outer tube. This POE controller has a minimum operating temperature of -40 °C and a maximum of 125 °C. This POE controller"s maximum duty cycle is 80(Typ) %.