DESCRIPTION

· The NCP1083 is a high-power PoE-PD interface and DC-DC converter controller by ON Semiconductor.
· It supports IEEE 802.3af and 802.3at standards, enabling up to 25.5W and 40W power delivery respectively.
· The device integrates a PoE-PD interface and a configurable DC-DC controller, suitable for medium to high power Ethernet applications.
· It supports auxiliary power sources, eliminating the need for additional switching power supplies.
· Designed for industrial environments, it can withstand harsh conditions like hot swap and cable ESD events.

FEATURES

· Supports IEEE 802.3af and 802.3at standards with two-event physical layer classification.
· Flexible auxiliary power supply support with 9V front, rear, and direct connections.
· Programmable features include classification current, inrush current limit, and operational current limit up to 1100mA.
· Integrated current mode DC-DC controller supports isolated and non-isolated converter topologies.
· Operates in an industrial temperature range from -40°C to 85°C, with full operation up to 150°C junction temperature.

APPLICATIONS

· Industrial Ethernet devices, PTZ and Dome IP cameras, RFID readers.
· MIMO WLAN access points and high-end VoIP phones.
· Notebooks and other devices requiring robust, high-power PoE solutions.
· Can be combined with stepper motor drivers and CAN bus drivers for complete industrial and security market solutions.