The LT4256-3IGN#PBF is a robust, high voltage, Hot Swap controller from Linear Technology designed to allow a board to be safely inserted and removed from a live backplane. This component is crucial in systems where maintenance or upgrades require the exchange of boards without the need to power down the entire system. The LT4256-3IGN#PBF helps in minimizing downtime and maintaining system availability.
Key Features:
- Wide Operating Range: The device can handle a wide input voltage range, typically from 10.8V to 80V, making it versatile for various applications and ensuring compatibility with different system voltages.
- Adjustable Current Limit: It offers an adjustable overcurrent protection threshold, which ensures that the device can be tailored to the needs of specific applications and protects both the board and backplane from damage due to excessive current.
- Foldback Current Limiting: This feature helps to reduce the power dissipation in the event of a short circuit, thereby protecting the controller and surrounding components from thermal damage.
- Gate Voltage Clamping: The MOSFET gate voltage is clamped to protect the MOSFET from overvoltage, thus ensuring a longer lifespan and reliable operation of the power management system.
- High Availability: The LT4256-3IGN#PBF is designed to support systems that require high availability and minimal downtime, with features such as automatic retry and power good status flags.
Applications:
The LT4256-3IGN#PBF is suitable for a wide range of applications, including but not limited to:
- Hot Swap systems
- Redundant power supplies
- Industrial systems
- Telecommunication infrastructure
- Data center servers and storage systems
Its robust design and comprehensive protection features make it an ideal choice for any system that requires reliable power management during the insertion and removal of electronic boards. The LT4256-3IGN#PBF is available in a 16-lead SSOP package, offering compactness and ease of integration into a variety of designs.
