MAX5940CESA+

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Power Over Ethernet (PoE) Controllers are electronic devices designed to provide electrical power to powered Ethernet devices using a standard category 5 or higher twisted pair Ethernet cable. The MAX5940CESA+ is one of the most advanced and versatile PoE controllers on the market. It features a power switch and linear regulator, along with advanced features such as overtemperature protection, overcurrent protection, and thermal stabilization.

The MAX5940CESA+ PoE controller powers the device by directly supplying regulated +3.3V and +48V power on pairs 4 and 5 of the Ethernet cable. It monitors the line voltage and current on each output pair and consumes only a fraction of the total power flowing through the cable, providing up to 24 watts of power with integrated hot swap, over-temperature and over-current protection. It is compliant with the IEEE802.3af standard, and supports both Class 0 and Class 1 applications.

The MAX5940CESA+ PoE controller is designed for a wide variety of networked applications, such as VoIP phones, IP cameras, wireless access points, and more. It is optimized for products with low to medium power requirements (up to 24W) and features an ultra-low shutdown power, low voltage start-up, and soft-start for reliable performance and system integration. Its wide input voltage range (3V to 13V) allows for the use of a wide variety of power sources, such as PoE, battery, or wall adapters, and its high operating temperature range (up to +85°C ambient) makes it suitable for harsh environments.

The MAX5940CESA+ is easy to use and configure. It contains an integrated power switch and linear regulator, and can support up to two ports of Ethernet PoE. Its digital control pins enable the user to program the device for classes 0, 1, and even 2.5, regardless of the IEEE\'s 802.3af standard. This flexibility makes the MAX5940CESA+ an excellent choice for applications where multiple power classes are needed.

The MAX5940CESA+ is the perfect solution for power-over-Ethernet applications. It is reliable, efficient, and easy to use, making it suitable for a wide range of applications. Its integrated features, flexibility, and wide operating temperature range make it an ideal PoE controller for both commercial and industrial applications.

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