LTC4269CDKD-1#TRPBF - Integrated IEEE 802.3at Power over Ethernet Interface Controller

The LTC4269CDKD-1#TRPBF from Linear Technology is a high-performance, integrated Power over Ethernet (PoE) interface controller designed to simplify the implementation of PoE in Power Sourcing Equipment (PSE). It is compliant with the IEEE 802.3at (PoE+) standard, which allows for up to 25.5W of power to be delivered over Ethernet cabling, and is backward compatible with the IEEE 802.3af (PoE) standard.

Key Features:

• Compliance: Fully compliant with IEEE 802.3at Type 1 and 2, ensuring interoperability with other PoE-enabled devices.
• Advanced Power Management: Features include programmable classification, inrush current control, and current limit to support different PD power requirements.
• High Efficiency: Integrated MOSFETs and a low-power dissipation design contribute to a highly efficient power delivery system.
• Robust Protection: Built-in fault protection mechanisms for overvoltage, overcurrent, and thermal overload ensure the safety and reliability of the controller and connected devices.
• Flexible Application: Suitable for a variety of applications including network cameras, wireless access points, and VoIP phones.
• Compact Design: The small form factor of the DFN package enables compact designs and efficient use of PCB space.

Product Applications:

The LTC4269CDKD-1#TRPBF is ideal for network equipment manufacturers who need to incorporate PoE capabilities into their products. Its advanced features allow for seamless integration into PSE designs, such as Ethernet switches, routers, and midspan injectors. By providing a reliable power source over Ethernet, this controller facilitates the deployment of network devices in locations where power outlets may be scarce or inconvenient to access.

Quality and Reliability:

Linear Technology is known for its commitment to quality, and the LTC4269CDKD-1#TRPBF is no exception. It is designed to meet stringent industry standards, ensuring long-term reliability for critical network infrastructure. The product is available in a RoHS-compliant package, catering to environmentally conscious applications and regulations.