LTC4261IUFD-2#PBF - Negative Voltage Hot Swap Controller

The LTC4261IUFD-2#PBF from Linear Technology is a sophisticated negative voltage hot swap controller that enables safe board insertion and removal from a live backplane. Designed to control an external N-channel MOSFET to gently power up capacitive loads, the LTC4261IUFD-2#PBF offers a controlled ramp-up of supply voltage, thereby minimizing the risk of system disruption during hot-swapping.

Key Features:

• Wide Operating Range: This device is capable of handling a voltage range of -9V to -80V, making it versatile for various applications requiring negative voltage power management.
• Adjustable Current Limit: The user can set the current limit threshold via an external resistor, allowing for precise control over the maximum current supplied to the load during insertion.
• Multi-Function Timer: An onboard timer provides control over fault management, including undervoltage, overcurrent, and power good delays, ensuring reliable operation under various conditions.
• Gate Drive: The LTC4261IUFD-2#PBF offers a gate drive for an external N-channel MOSFET, ensuring efficient power delivery and protection.
• Status Indicators: Integrated status indicators provide real-time feedback on the operation of the device, including power good and fault conditions.

Applications:

• Telecommunications equipment
• Datacom infrastructure
• Network servers and storage systems
• Industrial systems

The LTC4261IUFD-2#PBF is packaged in a compact, 24-lead QFN package, which is RoHS compliant and designed for surface mount technology (SMT) assembly processes. Its robust design and comprehensive feature set make it an ideal solution for managing negative voltage rails in high-availability systems where uptime is critical.

With its combination of performance, flexibility, and protection features, the LTC4261IUFD-2#PBF from Linear Technology stands out as a premier choice for engineers looking to implement negative voltage hot swap capabilities in their designs.