Linear Technology LTC4267IDHC#PBF Power Over Ethernet (PoE) Interface Controller

The LTC4267IDHC#PBF is a sophisticated Power Over Ethernet (PoE) interface controller designed and manufactured by Linear Technology. This integrated circuit is tailored to provide a seamless solution for Power Sourcing Equipment (PSE) capable of delivering power to remote devices over standard Ethernet cables. The LTC4267IDHC#PBF is compliant with the IEEE 802.3af standard, ensuring compatibility with a wide range of networked devices and systems.

This controller features a high-performance switching regulator that operates over a wide input voltage range, delivering reliable power with exceptional efficiency. The LTC4267IDHC#PBF is optimized for use in applications such as network switches, routers, and midspan PSEs, where it can manage the power allocation and detection processes necessary for PoE functionality.

The device comes in a compact DHC package, making it a space-efficient choice for dense circuit board layouts. Its robust design includes built-in signature resistance and classification current sources, which are crucial for communication with powered devices (PDs) and for determining the power requirements of each device connected to the network.

Key features of the LTC4267IDHC#PBF include:

• IEEE 802.3af compliant interface controller for PSE applications
• Integrated switching regulator for efficient power conversion
• Supports a wide input voltage range for versatile use cases
• Automatic detection and classification of PDs
• Thermal overload protection to ensure safe operation
• Advanced power management capabilities
• Compact DHC package suitable for space-constrained applications

With its advanced feature set and compliance with industry standards, the LTC4267IDHC#PBF is an excellent choice for developers looking to integrate PoE capabilities into their network products. Its robust design ensures reliable operation in a variety of networking environments, making it a versatile component for modern PoE solutions.

Whether you are designing enterprise-level networking equipment or developing smart home devices that require remote powering, the LTC4267IDHC#PBF provides the functionality and reliability needed to create efficient and effective PoE systems.