1. The MAXREFDES128 PoE module from Analog Devices outputs 5V at 12.5W from a 36V to 57V input, suitable for various development stages. 2. The module includes a PD controller and a no-opto flyback DC-DC converter, designed for evaluation and production. 3. Features include startup protection, overvoltage protection, and a 5ms soft start to mitigate inrush current.