NCP1081 Integrated High Power PoE-PD Interface & DC-DC Converter Controller TSSOP20

Introduction The NCP1081 is a high power HIPO Power over Ethernet Powered Device (PoE−PD) product family and represents a robust, flexible and highly integrated solution targeting demanding medium and high power Ethernet applications. It combines in a single unit an enhanced PoE−PD interface supporting the IEEE802.3af and the 802.3at standard and a flexible and configurable DC−DC converter controller.

Features:

•Supporting the IEEE802.3af and the 802.3at Standard

•Supports IEEE802.3at Two Event Layer 1 Classification

•High Power Layer 1 Classification Indicator

•Extended Power Ranges up to 40 W

•Programmable Classification Current

•Adjustable Under Voltage Lock Out

•Programmable Inrush Current Limit

•Programmable Operational Current Limit up to 1100mA for Extended Power Ranges

•Over−temperature Protection

•Industrial Temperature Range −40°C to 85°C with Full Operation up to 150°C Junction Temperature

•0.6  Hot−swap Pass−switch with Low Loss Current Sense Technique

•Vertical N−channel DMOS Pass−switch offers the Robustness of Discrete MOSFETs with Integrated Temperature Control

Datasheet