LTC4274AIUHF-4#TRPBF

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The LTC4274AIUHF-4#TRPBF is a power management integrated circuit (PMIC) specifically designed for Power Over Ethernet (PoE) application fields. It is a voltage-mode device that provides four regulated outputs and operates from a single-phase thermal conductor bridge rectifier (SCR) bus.

The LTC4274AIUHF-4#TRPBF is designed to control the output voltage of PoE systems. Each of the four outputs can be set independently to any voltage between 0.5V–60V. It uses a proprietary feedback loop to maintain the output voltage at a specified level and ensure optimal efficiency. Additionally, it includes a number of features to protect against in-rush current, over-voltage, over-temperature and under-voltage conditions.

The main advantage of the LTC4274AIUHF-4#TRPBF for PoE applications is its flexibility. It offers the option of setting the voltage level of each output individually, allowing it to be used in both single and multi-port PoE systems. It also enables power to be distributed more efficiently, maximizing power delivery and reducing wasted power.

In addition to its voltage control capabilities, the LTC4274AIUHF-4#TRPBF offers a range of other features designed to provide enhanced protection and improved system performance. These include over-current protection, in-rush current limiting, over-temperature protection, and an integrated active current-mode-based voltage supervision circuit with an adjustable threshold value.

The LTC4274AIUHF-4#TRPBF also offers an integrated pulse-by-pulse current limit protection feature that senses short circuit conditions, allowing it to quickly shut down any faulty output and minimize potential damage to the system.

In summary, the LTC4274AIUHF-4#TRPBF is the ideal PMIC for Power Over Ethernet applications. It offers the flexibility of setting the output voltage of each port individually, combined with a range of features to protect against in-rush current, over-voltage, over-temperature and under-voltage conditions. This makes it a powerful and reliable solution for PoE systems.

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