LTC4278IDKD-1

Series:	*
Part Status:	Obsolete

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LTC4278IDKD-1 is a high performance, single-port, Power-over-Ethernet (PoE) controller that complies with the full IEEE 802.3af standard. It enables the delivery of 30 watts of power over a single standard UTP cable. The output power is managed and adjusted per IEEE 802.3af compliant devices\' power requirements with the ability to provide up to 15.4W on the Class 0 ports. The controller includes an auxiliary DC power component, which is used to power the device if lower power is required from the source. The controller features an integrated MOSFET, voltage regulator and control circuitry.The LTC4278IDKD-1 controller is designed to provide an efficient and reliable solution for Power-over-Ethernet (PoE) applications. The controller integrates an Adaptive Power Control (APC) technology, which ensures that devices, such as digital IP phones, wireless access points, cameras, and laptop wo/data terminals, receive necessary power without exceeding the device power budget. This dynamic power control eliminates power waste, as it adjusts the power level received from the PoE source to match the requirements of the powered device.The LTC4278IDKD-1 is designed to provide system level protection and safety features, such as thermal protection, over-current protection, over-voltage protection and under-voltage protection. This ensures that the device is not exposed to any possible of over-current situations, such as shorts or overloads, and keeps the output power level within safe limits. The controller also provides a Dynamic Waveform Control (DWC) circuit, which enables the system to automatically adjust the output power to match the requirements of the powered device in a matter of milliseconds.The LTC4278IDKD-1 controller combines the highest PoE performance with the industry-leading IEEE 802.3af compliance. This advanced controller is designed to provide 30 watts of output power over a single Ethernet cable and is capable of delivering up to 15.4W on the Class 0 ports. Furthermore, the controller offers a wide range of system safety features, such as over-current, over-voltage and under-voltage protection. The LTC4278IDKD-1 is suitable for a wide range of applications, such as IP phones, cameras, laptop/data terminals and wireless access points. The controller delivers the highest PoE performance and achieves compliance with the full IEEE 802.3af standard. Additionally, the integrated APC technology guarantees energy efficiency and reliability, as it adjusts the power level received from the PoE source to match the requirements of the powered device. With an array of safety features and high performance, the LTC4278IDKD-1 is ideal for Power-over-Ethernet (PoE) applications.

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