LTC4361HDC-2#TRMPBF

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The LTC4361HDC-2#TRMPBF is an integrated single stage high side power switch and Hot Swap controller. This device is suitable for a variety of applications, including hot-pluggable circuit boards, card cages and shelf controllers in telecom and datacom systems. It performs automatic insertion and removal of in-rush of current controlled boards while they are safely powered up and down without the need for additional circuitry. The device supports up to 15A of continuous load current with the added bonus of scaleable current limiting.

The LTC4361HDC-2#TRMPBF is based on a Hot Swap controller and it is a member of Linear Technology\'s family of Intelligent Power Switches (IPS). IPS combines high side current sensing/limiting and hot swap features, into a single integrated IC. The controller offers current level setting, threshold monitoring and fault recovery from a wide range of switching and protection functions. The device is designed for low quiescent current and optimized internal loop control for fast fault protection.

The LTC4361HDC-2#TRMPBF features adaptive zero-crossing, adjustable current limiting, current level latching and fault detection and reporting. It also incorporates a fault input pin that will detect an overvoltage on the protected load or power supply. It is capable of operating at high efficiency and providing low current during shutdown operation. The device is also capable of protecting against a variety of fault conditions, including over temperature, overvoltage, under voltage and over current.

The device is ideal for applications where the power supply is sensitive to switching glitches and power surges, such as telecom and clock systems. It also provides a robust solution for managing the inrush current, power up sequencing, power down sequencing and self-protection functions in high side hot swap applications. It is particularly suited for such applications due to its ability to support up to 15A of continuous load current with latching current level.

The working principle of the LTC4361HDC-2#TRMPBF is based on hot swap technology which uses a single stage high side power switch, operating as a current source, to provide power to an inductive load. During an insertion event, the controller limits the inrush current by gradually ramping up the current through the switch. This ramping up of the current prevents overcurrent from causing a false trip event. During an overcurrent event, the controller will trip and assert a fault signal to disconnect the protected load.

The LTC4361HDC-2#TRMPBF also offers many protection features such as over temperature protection and under voltage lock out (UVLO). The device includes an adjustable current limit setting, which sets the threshold at which Hot Swap protection will be enabled The UVLO feature protects the device from brownout damage when the supply voltage drops too low. The device also includes overvoltage protection, which will trip the load in order to protect it from overvoltage events.

The LTC4361HDC-2#TRMPBF is a great choice for hot swap applications, with its ability to handle up to 15A of continuous load current with latching current level and an array of protection features. It is suited for high reliability applications, including telecom and datacom systems, due to its robust switching and protection functions. It offers a reliable solution for controlling inrush currents, safely powering up and down circuits, and preventing the system from false trip events due to overcurrent.

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