Product Overview: LTC4266IGW#PBF

The LTC4266IGW#PBF is a state-of-the-art Power over Ethernet (PoE) controller designed by Linear Technology, now part of Analog Devices. This product is engineered to facilitate the delivery of power over Ethernet cabling to powered devices (PDs), such as VoIP phones, wireless access points, and network cameras. The LTC4266IGW#PBF is compliant with the IEEE 802.3at PoE+ standard as well as backward compatible with IEEE 802.3af, ensuring broad compatibility with existing network infrastructure and PDs.

Key Features

• IEEE 802.3at Compliant: Supports PoE+ standard, delivering up to 25.5W of power per port to connected devices.
• Four Independent PSE Channels: Each channel can control and monitor an individual Ethernet port for power delivery.
• Advanced Power Management: Includes features such as per-port power prioritization, programmable power limits, and power good signals.
• Robust Protection: Offers a variety of protection features including overcurrent, overvoltage, under-voltage lockout, and thermal shutdown.
• High-Efficiency Operation: Integrated MOSFETs and sense resistors enable efficient power usage and reduced heat dissipation.
• Flexible Power Supply Options: Can be powered from a single 32V to 57V supply, accommodating various network voltages.
• Hot Swap Capability: Designed to handle plug-and-play operation and hot insertion without disrupting the power supply to other ports.

Applications

The LTC4266IGW#PBF is versatile and can be used in a wide range of applications where PoE is required. It is particularly suited for enterprise systems such as network switches and routers that provide power to multiple PoE-enabled devices. Additionally, it can be used in industrial environments, IP camera systems, and any application where remote power delivery is beneficial.

Package and Quality

This PoE controller comes in a 36-lead SSOP package, providing a compact footprint for space-constrained applications. The LTC4266IGW#PBF is designed to meet high-quality standards, ensuring reliable performance in various operating conditions.

With its integration of power management features, robust protection, and compliance with PoE standards, the LTC4266IGW#PBF from Linear Technology is an excellent choice for network administrators and product designers looking to enhance their PoE capabilities.