LTC4266CIUHF#TRPBF

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The LTC4266CIUHF#TRPBF is a Power Over Ethernet (PoE) controller, a type of power management integrated circuit (PMIC). Its goal is to provide power over network ports, meaning that a device, such as a router or switch, can access power over the same cable that is connecting it to the rest of the network. This is known as Power sourcing Equipment (PSE). When utilized, the LTC4266CIUHF#TRPBF can enable the delivery of power to a wide variety of devices, such as VoIP phones, IP surveillance cameras, and point-of-sale terminals, using the same cable that is connecting them to the network.

The LTC4266CIUHF#TRPBF is designed to operate at either 12V or 24V, with a maximum current draw of 25A. It also features over voltage, over current, over temperature, and short circuit protection, with a fault response time of 320 µs. It is available with m-FET and Rail-to-Rail I²C logic (R2R), and has an operating temperature range from -40°C to +125°C.

The working principle of the LTC4266CIUHF#TRPBF is fairly straightforward. When the controller is powered on, it detects the presence of a power source such as a PoE switch or injector. It then verifies the power level, and adjusts its output voltage accordingly. The controller then monitors the current draw of the device it is powering and adjusts its output accordingly in order to maintain the power draw within its specified limits. If the controlled device draws too much power, the controller will shut off the power to avoid potential damage. The controller also features a filtered output which helps protect against any interference.

The LTC4266CIUHF#TRPBF is a useful and versatile tool for powering a wide range of devices over Ethernet. It can be used for powering VoIP phones, IP surveillance cameras, point-of-sale terminals, and other network devices. By leveraging its wide operating voltage range, power source verification feature, and short circuit protection capabilities, it ensures reliable and safe delivery of power to edge devices. It also features a filtered output which can help reduce any potential EMI interference.

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