The LT4256-3IGN from Linear Technology is a specialized component designed for high voltage applications that require a Hot Swap™ controller capable of safely managing the insertion and removal of electronic boards from a live backplane or bus. This particular device is part of Linear Technology's LT4256 series and offers features that ensure reliable operation in critical systems.

Key Features

• Controlled Inrush Current: The LT4256-3IGN effectively limits the inrush current during hot swapping, preventing damage to connectors, backplane traces, and capacitors due to the sudden surge of power.
• Wide Operating Range: It operates over a wide voltage range, accommodating systems with supply voltages from 10.8V to 80V, making it versatile for various high voltage applications.
• Adjustable Overcurrent Protection: Users can set the overcurrent threshold via an external resistor, which allows for precise control over the current limit to match specific requirements.
• Foldback Current Limiting: This feature helps to reduce power dissipation in the event of a prolonged overload condition, enhancing system reliability and safety.
• Automatic Retry or Latch Off: The LT4256-3IGN can be configured to automatically retry after a fault or to latch off, providing options for system recovery tailored to the needs of the application.

Applications

The robust feature set of the LT4256-3IGN makes it ideal for a range of applications, including:

• Network Servers and Storage Systems
• Telecommunication and Data Communication Equipment
• Industrial Systems
• Redundant Power Supplies

Technical Specifications

The LT4256-3IGN is a testament to Linear Technology's commitment to providing advanced solutions for complex power management challenges. Its combination of features ensures that it can deliver both performance and protection in high voltage environments.