Analog Devices Inc. LTC4274IUHF#TRPBF Product Overview

The LTC4274IUHF#TRPBF 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 IC is capable of delivering power to remote devices over standard Ethernet cables, following the IEEE 802.3at (PoE+) and IEEE 802.3af (PoE) specifications. It is an ideal solution for network equipment such as switches, routers, and midspans that require PoE capabilities to supply power to devices like IP cameras, VoIP phones, and wireless access points.

This particular model comes in a 38-lead QFN package and is part of the TRPBF series, which indicates tape and reel packaging and lead (Pb)-free manufacturing. The LTC4274IUHF#TRPBF is designed for flexibility and efficiency, supporting a wide range of applications with its advanced features.

Key Features

• IEEE 802.3at Compliant: This controller meets the latest PoE+ standards, ensuring compatibility with devices that require up to 25.5W of power.
• Advanced Power Management: The LTC4274IUHF#TRPBF offers sophisticated power management options, including programmable current limit, auto-classification, and power good indicators.
• Robust Protection: It includes multiple protection features such as overcurrent, undercurrent, and thermal shutdown to safeguard both the PSE and the powered device.
• High Efficiency: The IC is designed for minimal power dissipation, which is critical for high-density PoE applications where thermal management is a concern.
• Easy Integration: The compact QFN package allows for easy integration into PSE designs without requiring a large amount of board space.

Applications

The LTC4274IUHF#TRPBF is versatile enough to be used in a variety of applications, including enterprise networking equipment, industrial automation, point of sale systems, and IoT devices that benefit from centralized power distribution and backup.

With its combination of power, efficiency, and protection features, the LTC4274IUHF#TRPBF by Analog Devices Inc. is a reliable choice for designers looking to implement PoE in their systems, ensuring seamless power delivery and system integrity.