The LT4276AIUFD#PBF is a cutting-edge Power over Ethernet (PoE) interface and PWM controller integrated circuit, manufactured by the renowned Analog Devices Inc. This innovative component is designed to simplify the implementation of PoE-powered devices, streamlining the process of delivering both data and power over a single Ethernet cable. It is a perfect solution for a wide range of applications, including network cameras, wireless access points, and IoT devices.

Key Features

• Integrated PoE Interface: The LT4276AIUFD#PBF seamlessly integrates the PoE interface controller, ensuring compatibility with IEEE 802.3 PoE standards, including detection, classification, and current limit functions.
• Advanced PWM Controller: The device includes a sophisticated PWM controller that supports a variety of topologies, such as isolated converters, making it versatile for different power supply designs.
• High Temperature Operation: Engineered for reliability, this component operates at an industrial temperature range, ensuring performance in demanding environments.
• Robust Protection Features: The product comes with comprehensive protection features, including thermal shutdown, UVLO (under-voltage lockout), and over-current protection, enhancing system safety and longevity.
• Compact Package: Housed in a QFN package, the LT4276AIUFD#PBF is designed for space-constrained applications, providing a compact and efficient solution for PoE-enabled devices.

Applications

The versatility of the LT4276AIUFD#PBF makes it suitable for a variety of applications where PoE is beneficial. It is commonly used in:

• Enterprise and Industrial Networking Equipment
• IP Security Cameras
• Wireless Access Points
• Remote Sensors and Monitoring Systems
• VoIP Phones

Technical Specifications

The LT4276AIUFD#PBF is designed to meet the rigorous demands of modern PoE applications. Some of its technical specifications include:

• Compliance with IEEE 802.3af/at/bt PoE standards
• Wide input voltage range
• Programmable power classification
• Support for multiple output topologies
• High efficiency and low thermal resistance

The LT4276AIUFD#PBF from Analog Devices Inc. represents a robust and efficient solution for powering Ethernet-connected devices, merging power and connectivity to drive innovation in networked applications.