Linear Technology's LTC4267CGN Power over Ethernet Interface Controller

The LTC4267CGN is a sophisticated Power over Ethernet (PoE) interface controller from Linear Technology, designed to seamlessly integrate into applications requiring Power over Ethernet capabilities. This integrated circuit is compliant with the IEEE 802.3af standard, ensuring interoperability with other PoE devices and systems.

Key Features:

• IEEE 802.3af Compliant: The LTC4267CGN adheres to the stringent specifications of the IEEE 802.3af standard, making it suitable for a wide range of PoE applications.
• Integrated Switching Regulator: This device includes an onboard switching regulator that facilitates efficient power conversion, allowing for the delivery of power to end devices over Ethernet cabling.
• Signature Resistor Detection: The LTC4267CGN incorporates a signature resistor detection mechanism, which is essential for the identification of PoE-capable devices, ensuring safe and reliable power distribution.
• Classification Current: It supports classification current for determining the power classification of connected devices, which is critical for power management and allocation in PoE systems.
• Thermal Protection: Built-in thermal protection features help prevent overheating, contributing to the longevity and reliability of the controller and the overall system.
• Package: The device comes in a compact 16-lead SSOP package, making it suitable for space-constrained applications.

Applications:

The LTC4267CGN is ideal for a variety of applications that require remote powering of devices over Ethernet cables. These include:

• VoIP Phones
• Wireless Network Access Points
• Security Cameras
• Network Routers and Switches

With its robust feature set and compliance with PoE standards, the LTC4267CGN is a reliable choice for designers and engineers looking to incorporate PoE functionality into their products. Its integration of advanced features in a compact form factor makes it a versatile solution for powering devices across various industries and applications.