Product Overview: LTC4267IGN#TRPBF

The LTC4267IGN#TRPBF is a sophisticated Power over Ethernet (PoE) interface controller designed and manufactured by Linear Technology. This integrated circuit is specifically tailored for applications requiring IEEE 802.3af compliance, which is the standard for Power over Ethernet. This product facilitates the delivery of power alongside data over standard Ethernet cables, thereby minimizing the need for additional wiring and power sources for Ethernet-connected devices.

Key Features

• IEEE 802.3af Compliant: The LTC4267IGN#TRPBF adheres to the stringent specifications of the IEEE 802.3af standard, ensuring compatibility with other compliant devices and systems.
• Integrated Switching Regulator: It comes with an onboard switching regulator that provides a highly efficient power conversion, which is necessary for maintaining performance and reducing heat.
• Signature Resistor Detection: The chip includes a signature resistor detection feature, which is a part of the PoE standard, used to identify PoE-capable devices.
• Programmable Classification: It supports programmable classification signatures, allowing the powered device (PD) to communicate its power requirements to the power sourcing equipment (PSE).
• High Power Applications: This controller is designed to handle high power applications, making it suitable for a wide range of devices including IP cameras, wireless access points, and VoIP phones.

Product Specifications

• Package: The LTC4267IGN#TRPBF is offered in a SSOP-28 (Shrink Small Outline Package) which is ideal for space-constrained applications.
• Operating Temperature: It operates reliably over an industrial temperature range, making it suitable for use in harsh environments.
• Thermal Protection: The device includes thermal protection features to prevent damage from overheating.
• High Surge Capability: It is built to withstand high surge events, ensuring reliability and longevity in the field.

The LTC4267IGN#TRPBF from Linear Technology is a robust and reliable solution for powering Ethernet devices over a single cable, simplifying installation and reducing infrastructure costs. Its integration of advanced features and compliance with the PoE standard makes it an essential component for network designers and engineers looking to implement Power over Ethernet in their systems.