LTC4273HTK-1

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PMIC - Power Over Ethernet (PoE) Controllers are used to manage and distribute electrical power from a remote Ethernet-enabled device. The LTC4273HTK-1 is a high power version of such a controller, designed for use in applications where higher power is needed, such as high power PoE and remote powered devices.

The LTC4273HTK-1 is an integrated controller, incorporating current sensing, MOSFET control, high power MOSFETs, temperature sensing and protection circuits into a easy to use platform. Its wide input operating voltage range (38 to 57V) and its delivering up to 25.5W enables its use in a variety of applications.

The LTC4273HTK-1\'s integrated protection circuit helps it to perform reliably and safely in a variety of settings. It is capable of withstanding overloads, sustained overloads, and short circuits, with over-current, over-voltage, over-temperature and reverse current protection. Furthermore, its high efficiency helps to reduce thermal stress and offers improved performance under higher load.

The LTC4273HTK-1 application field is primarily powered Ethernet devices, specifically devices requiring higher power output, such as 802.3at-compliant Ethernet cable ports for, for example, IP cameras, access points, Wifi routers and other devices.

The LTC4273HTK-1 works by using integrated current sense and a MOSFET circuitry to control the current and voltage output from the Ethernet cable thus ensuring a constant, regulated supply of power. Furthermore, its high power MOSFETs support higher power outputs, while temperature protection circuitry keeps the temperature in check.

In summary, the LTC4273HTK-1 is a high power PoE controller designed for use in application requiring higher power supply. With its high power, overcurrent and over-temperature protection, it can enable reliable, safe and efficient applications, such as high powered powered Ethernet devices.

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