LTC4278CDKD#TRPBF

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The LTC4278CDKD#TRPBF is a versatile non-isolated Power over Ethernet (PoE) controller designed to simplify the integration of IEEE 802.3-compliant systems into existing PoE networks. By combining a high-voltage start up with a low-voltage operating mode, this component offers major advantages over many competing products. It is designed to deliver up to 25 Watts of either PD or MPT-compliant power from a standard 100V-240V wall outlet, or from a 63V-57V PoE input. It can also increase or decrease the PoE output voltage range of the PD or MPT-compliant interface.

The LTC4278CDKD#TRPBF has a number of features that make it well-suited for powering PoE-compliant network devices. Firstly, it can detect and power up the system at higher than normal voltages, allowing it to work with existing PD and MPT-compliant cables and equipment. It also has an embedded power-saving mode, enabling it to shut down the system when not in use, or in the case of an overload. Finally, it has a unique design which guarantees a constant voltage output, despite any fluctuations in input voltage.

The main application areas for the LTC4278CDKD#TRPBF include access points, VoIP phones, IP cameras, and industrial automation systems. It is an ideal choice for these systems, as it can provide both the power delivery and voltage regulation necessary to ensure a reliable and efficient performance. Furthermore, its high-efficiency design ensures minimal power dissipation and low device temperatures, further maximizing system performance.

When utilizing the LTC4278CDKD#TRPBF, the basic working principle is simple. It begins by detecting the incoming voltage source, be it a wall outlet or PoE source. After this, the controller will then determine the correct level of PoE required by the system, and adjust its output voltage accordingly. This adjustment is done via the output select pins on the device, and can range from an output voltage of 12V to 54V. In addition, the device also features temperature protection and soft start, further optimizing its performance.

In conclusion, the LTC4278CDKD#TRPBF is a powerful and versatile non-isolated Power over Ethernet (PoE) controller. Its high-voltage start up, low-voltage operating mode, and high-efficiency design make it an ideal choice for powering a wide range of PoE-compliant network devices, from access points and VoIP phones to IP cameras and industrial automation systems. Furthermore, its unique design ensures a constant voltage output, despite any fluctuations in input voltage, making it an all-round dependable and reliable solution.

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