MAX5981A Datasheet (Maxim Integrated) - Powered Device Interface Controllers

MAX5981A, Powered Device Interface Controllers

The MAX5981 provides a complete interface for a powered device (PD) to comply with the IEEE® 802.3af/at standard in a power-over-ethernet (PoE) system.

The MAX5981 provides the PD with a detection signature, classification signature, and an integrated isolation power switch with inrush current con

MAX5981A Features

* an input UVLO with wide hysteresis and long deglitch time to compensate for twisted-pair cable resistive drop and to assure glitch-free transition during power-on/-off conditions. The MAX5981 can withstand up to 100V at the input. The MAX5981 supports a 2-Event classification method as specified i