LTC4244IGN#PBF

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PMIC - Hot Swap Controllers

LTC4244IGN#PBF is a highly integrated IC device from Linear Technology Corporation that offers superior performance as a hot-swappable load switch. This chip is designed to use its integrated MOSFET transistors for protecting applications when loading devices that may draw high inrush current. It contains two channels with low on-resistance, constant-current foldback protection. The device also offers thermal protection from both over-temperature and short-circuit conditions.

This IC has a wide operating temperature range of –40°C to +125°C, enabling use in a variety of applications including automotive, military and industrial. The device is designed to provide a safe transition in connecting batteries, power supplies, or other circuit systems when under load, while also providing an option to disable the power switch as needed, without removing any power source components. The LTC4244IGN#PBF is also able to monitor and detect overload and over-temperature conditions within the hot-swap and enable/disable the power switch, preventing dangerous thermal runaways.

The LTC4244IGN#PBF is a bi-directional, hot-swappable load switch with constant current foldback protection. The device utilizes MOSFETs for power switching, which protect the load against in-rush current and/or short-circuit conditions. The device has a low on-resistance and a voltage clamping mechanism that helps stabilize the input voltage, ensuring the device can withstand high in-rush conditions up to 50A with an 80mV over-voltage threshold. The device also uses enable/disable control to allow hot swapping of a load with no need for external/external control, making it easy to install and use.

The device utilizes a low power-on resistance, constant current foldback current-limit protection for consistent current regulation and short-circuit protection. The thermal protection feature of the LTC4244IGN#PBF is integrated to prevent potential power damage from over-temperature conditions. The device operates from -40°C to +125°C, making it suitable for a wide range of industrial and automotive applications.

To ensure a seamless operation, the device comes with easy-to-use parameters to adjust for load-sensing, over-voltage and over-temperature conditions as well as device configuration, allowing the device to operate safely and efficiently in most conditions. The LTC4244IGN#PBF also features a low active and stand-by input pin current, making it suitable for low-power applications.

The LTC4244IGN#PBF has many features that make it an ideal choice for use in hot-swapping or power management applications. Its wide operating temperature range and integrated features make it suitable for use in a variety of low-power environments, while its constant current foldback protection helps maintain power stability and reliability. The device also offers thermal protection, making it even more attractive for use in specialized industrial and automotive applications.

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