Analog Devices Inc. LTC4274AIUHF-3#PBF Product Overview

The LTC4274AIUHF-3#PBF from Analog Devices Inc. is a high-performance, single-port Power over Ethernet (PoE) controller designed for use in Power Sourcing Equipment (PSE). This advanced PoE controller is compliant with the IEEE 802.3at (PoE+) standard, and it is also backward compatible with the IEEE 802.3af (PoE) standard, ensuring broad compatibility with a wide range of PoE-capable devices.

This robust component is housed in a compact QFN-38 package and is optimized for efficient power management in network equipment such as switches, routers, and wireless access points. It is specifically engineered to facilitate the delivery of power up to 90W over Ethernet cabling, thereby eliminating the need for additional power supplies for connected devices like IP cameras, VoIP phones, and wireless access points.

The LTC4274AIUHF-3#PBF integrates a variety of features to ensure reliable operation in diverse environments. It includes advanced power management capabilities such as programmable classification, current limit, and overload protection. Moreover, it supports a four-point detection mechanism to prevent power from being applied to non-PoE compliant devices, enhancing safety and system reliability.

Key features of the LTC4274AIUHF-3#PBF include:

• IEEE 802.3at (PoE+) and IEEE 802.3af (PoE) compliance
• Support for high power applications up to 90W
• Advanced power management with programmable classification and current limit
• Robust four-point detection for device validation
• Overload and short-circuit protection
• High-temperature operation suitable for industrial environments
• Compact QFN-38 package for space-constrained applications

The LTC4274AIUHF-3#PBF is an ideal solution for network administrators and system integrators looking to upgrade or design PoE systems that require high power capabilities and dependable performance. Its integration into network infrastructure can significantly simplify the deployment and management of powered devices, while also reducing total system costs by eliminating the need for separate power supplies and associated cabling.

With its robust design, advanced features, and compliance with the latest PoE standards, the LTC4274AIUHF-3#PBF is a testament to Analog Devices Inc.'s commitment to providing innovative solutions for power delivery in modern network environments.