LTC4280CUFD#TRPBF

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The LTC4280CUFD-TRPBF hot swap controller is a high performance, circuit protection unit designed to safely manage the inrush current and start-up of electronic systems with an unplug/plug power connection. This includes industrial machines, servers, storage, networking and datacenter equipment, blades, and many embedded applications.

A hot swap controller is a circuit protection device for boards with large power loads that are being introduced to or removed from a system without disruption to the other components. It typically consists of an overcurrent monitor, a differential voltage sense, and/or a current limit. In addition to protecting the system from damage, hot swap controllers can also provide protection against overloading, overvoltage, and reverse current.

The LTC4280CUFD-TRPBF is a high-efficiency hot swap controller with an integrated negative differential sense. It utilizes a differential sense method to detect when a board is plugged in, and then stops the inrush current of the board. This ensures that the power supply delivers a safe voltage to the board during its power-up sequence. The controller also features an auto phase correction (APC) feature, which helps reduce inrush power to the system. In addition, the integrated current limit protection protects the power source from overloads and short circuits.

The LTC4280CUFD-TRPBF offers adjustable detection thresholds, enabling the system designer to choose the sensitivity of the controller to reduce inrush current and limit system load. It also features a latching disable feature that allows the controller to be disabled once it detects an overcurrent event, allowing the board to be removed and connected without being forced to reset the entire system. The controller provides excellent surge protection and ESD protection, ensuring reliable operation in harsh environmental conditions. Furthermore, the device is small, lightweight and RoHS/WEEE compliant.

In summary, the LTC4280CUFD-TRPBF is a highly efficient hot swap controller with integrated negative differential sense for circuit protection in industrial machines, servers, storage, networking, blades and embedded applications. It features adjustable detection thresholds, APC, and current limitation protection, as well as surge, ESD and latching disable protection. This makes the device suitable for applications that require reliable performance in harsh and unstable environments.

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