LTC4217CFE - Hot Swap Controller from Linear Technology

The LTC4217CFE is a sophisticated hot swap controller designed by Linear Technology to enable safe board insertion and removal from a live backplane. This integrated circuit provides a controlled turn-on and helps protect both the electronic card and the backplane from the potential damage caused by large inrush currents that can occur when a card is plugged in.

Key Features:

• Wide Operating Voltage Range: The LTC4217CFE is versatile, with a wide operating voltage range of 2.9V to 26.5V, making it suitable for a variety of applications.
• Adjustable Current Limit: Users can set the overcurrent limit threshold to match specific requirements, ensuring protection against excessive current draw.
• Fast Overcurrent Protection: The device reacts quickly to overcurrent conditions, providing a rapid response to potential issues.
• Foldback Current Limiting: This feature helps to reduce the power dissipation in the MOSFET during overcurrent conditions.
• Soft-Start Capability: The LTC4217CFE's soft-start function prevents voltage overshoot and limits inrush current during startup.
• Under Voltage and Over Voltage Protection: The controller monitors the supply voltage and protects the load from operating outside of the safe voltage range.
• Status Indicators: Integrated fault and power good indicators provide immediate feedback on the operational status and help in diagnostics.

Applications:

The LTC4217CFE is ideal for a variety of applications where hot swapping is necessary, including:

• RAID Systems
• Server Hot Swap Supplies
• Network Switches and Routers
• Industrial Systems

Package and Reliability:

Encased in a 16-lead TSSOP package, the LTC4217CFE is designed to meet the rigorous demands of high-availability systems. It is characterized for operation from -40°C to 85°C, ensuring reliable performance across a wide range of environmental conditions.

The LTC4217CFE from Linear Technology represents a reliable solution for power management and circuit protection in hot swap applications, providing both safety and stability to advanced electronic systems.