LTC4231HUD-2#PBF

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Power management integrated circuits (PMICs) are devices containing multiple components that power the electrical circuits of electronic products. PMICs are heavily used in advanced electronic products, such as smartphones, tablets and notebook computers. Hot swap controllers are one type of PMIC that specifically protect the circuits of electronic products by providing over-voltage protection and over-current protection during circuit connection and disconnection. The LTC4231HUD-2#PBF is a highly integrated hot swap controller that helps protect a wide range of applications from damage due to over-voltage or over-current.

The LTC4231HUD-2#PBF hot swap controller is a device that turns on a power load after the full load voltage has stabilized and then gradually increases the load current until it reaches its maximum allowable value, without over-current or over-voltage damage. Its integrated loop current limit circuitry limits the current to a safe point in the event of over-current or over-voltage conditions, preventing damage or catastrophic failure of the load. The device also features input ready status and overtemperature protection, ensuring safety and reliability in power supply system applications.

The LTC4231HUD-2#PBF is a single-chip hot swap controller and over-current/over-voltage protection integrated circuit designed for high-power, high-reliability applications. It features an integrated low-loss FET driver capable of driving up to 5A through two controlled FETs, wide input voltage range with input ready status, integrated overtemperature protection and overtemperature detection, and a power-on reset (POR) output for control systems. It is capable of delivering 5A of continuous current in 12Ω/4A and 24Ω/2A load impedance applications. Additionally, the device has an internal loop current detector that limits the output current to 4A in the event of an over-current or over-voltage condition, protecting the load and the power supply from damage.

The wide input voltage range of the LTC4231HUD-2#PBF makes it suitable for high power and high power density applications that require excellent voltage control under varying conditions. It is designed to operate over a -40°C to +85°C temperature range, and can be used in a variety of applications such as server, storage and telecom systems, industrial and automotive applications, point-of-load converters, medical equipment and battery-powered devices. It is available in a small, 8-Lead 3mm x 4mm DFN package, enabling designers to save board space in high power applications.

In summary, the LTC4231HUD-2#PBF hot swap controller is a highly integrated, single-chip power supply protection integrated circuit that provides over-voltage and over-current protection, as well as input ready status and overtemperature protection. It is ideal for use in high power and high power density applications where space is limited, such as servers, storage and telecom systems, industrial and automotive applications, point-of-load converters, medical equipment and battery-powered devices.

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