Product Overview: LTC4266CUHF#PBF

The LTC4266CUHF#PBF is a high-performance, quad-port Power over Ethernet (PoE) controller from Linear Technology, designed to simplify the deployment of Ethernet-powered devices. It adheres to the IEEE 802.3at standard, also known as PoE+, allowing delivery of up to 25.5W of power per port to connected devices such as VoIP phones, wireless access points, and security cameras.

Key Features

• IEEE 802.3at Compliant: Ensures compatibility with the latest PoE+ devices and provides backward compatibility with the IEEE 802.3af standard (PoE).
• Quad-Port Integration: Supports up to four PoE ports in a single package, reducing component count and simplifying design.
• Advanced Power Management: Offers per-port power sensing and control, including programmable current limit, and supports high power applications up to 25.5W per port.
• Energy Efficient: Features low RDS(ON) MOSFETs and 1% accurate current sense to optimize power delivery and minimize losses.
• Robust Protection: Includes over-temperature, over-current, and over-voltage protection, ensuring safe and reliable operation.
• Flexible Deployment: Can be used in endspan or midspan configurations, providing versatility in network design.
• Diagnostic Features: Comes with extensive diagnostic capabilities, including port status indication and fault reporting, to aid in network management and troubleshooting.

Applications

The LTC4266CUHF#PBF is ideal for a variety of applications that require reliable and efficient power distribution over Ethernet cables. It is particularly suited for:

• Enterprise networking equipment such as switches and routers with PoE capability.
• Industrial automation systems requiring remote powering of sensors and actuators.
• IP surveillance systems with PoE-enabled cameras for enhanced security.
• Wireless network infrastructure including PoE-powered access points and base stations.
• Building management systems for controlling lighting, heating, and cooling.

With its robust feature set and compliance with the latest PoE standards, the LTC4266CUHF#PBF is a top choice for network engineers and system integrators looking to streamline the deployment of PoE devices while ensuring safety, efficiency, and reliability.