DESCRIPTION

· The NCP1081 is a high-power PoE-PD interface and DC-DC converter controller from ON Semiconductor, designed for medium and high power Ethernet applications.
· It integrates an enhanced PoE-PD interface compliant with IEEE802.3af and 802.3at standards, along with a configurable DC-DC converter controller.
· Capable of delivering up to 25.5W for IEEE802.3at and up to 40W for proprietary high-power PoE applications.
· Supports two-event physical layer classification and additional proprietary classification for high-power PSE.
· Suitable for industrial Ethernet devices, IP cameras, RFID readers, WLAN access points, VoIP phones, and notebooks.

FEATURES

· Supports IEEE802.3af and IEEE802.3at standards.
· Programmable classification current, inrush current limit, and operational current limit up to 1100mA.
· Adjustable under-voltage lockout and over-temperature protection.
· Operates in an industrial temperature range from -40°C to 85°C, with full operation up to 150°C junction temperature.
· Integrated 0.6Ω hot-swap pass-switch with low loss current sense technique and vertical N-channel DMOS pass-switch.

APPLICATIONS

· Industrial Ethernet devices.
· PTZ and Dome IP cameras.
· RFID readers.
· MIMO WLAN access points.
· High-end VoIP phones and notebooks.