Linear Technology's LTC4266CCUHF#TRPBF Power over Ethernet (PoE) Controller

The LTC4266CCUHF#TRPBF is a high-performance, quad-port Power over Ethernet (PoE) controller designed by Linear Technology for use in Power Sourcing Equipment (PSE). This advanced integrated circuit is part of Linear Technology's extensive PoE product family and is specifically engineered to facilitate the delivery of power alongside data over Ethernet cables in accordance with the IEEE 802.3at (PoE+) standard. It is an ideal solution for network equipment such as switches, routers, and midspan injectors that require efficient and reliable PoE capabilities.

Key Features

• Quad-Port PoE Controller: The LTC4266CCUHF#TRPBF can control up to four PoE ports, providing a scalable solution for network devices with multiple Ethernet ports.
• IEEE 802.3at Compliant: It complies with the IEEE 802.3at standard, ensuring compatibility with the latest PoE+ devices and allowing up to 25.5W of power per port.
• Advanced Power Management: The controller features sophisticated power management capabilities, including per-port power prioritization and programmable power limits to prevent overloading of the power supply.
• Energy Efficient: With built-in energy-saving features, the LTC4266CCUHF#TRPBF minimizes power dissipation, making it suitable for eco-friendly applications.
• Robust Protection: The device includes comprehensive protection against overcurrent, overtemperature, and voltage surges, ensuring reliable operation and longevity of the network equipment.
• Autonomous Operation: It can operate autonomously without the need for host software control, simplifying design and reducing system complexity.
• Compact Form Factor: The LTC4266CCUHF#TRPBF comes in a compact QFN-38 package, making it suitable for space-constrained applications.

Applications

The LTC4266CCUHF#TRPBF is versatile and can be implemented in a variety of network devices that require PoE capabilities. It is particularly useful in enterprise networking equipment, wireless access points, IP cameras, VoIP phones, and IoT devices that benefit from a centralized power source.

In summary, Linear Technology's LTC4266CCUHF#TRPBF is a sophisticated and reliable solution for network devices requiring efficient and compliant PoE capabilities. Its robust feature set ensures that it can meet the demands of modern network infrastructures while providing the necessary protections to maintain system integrity.