Product Overview: LTC4261CUFD - Negative Voltage Hot Swap Controller

The LTC4261CUFD from Linear Technology is a state-of-the-art negative voltage hot swap controller designed to enable safe board insertion and removal from a live backplane. This sophisticated device is housed in a compact QFN-20 package and is engineered to control the gate voltage of an external N-channel MOSFET to allow a smooth and controlled power-up sequence for electronic systems operating at negative supply voltages.

Key Features:

• Wide Operating Voltage Range: The LTC4261CUFD operates efficiently across a broad range of input voltages, typically from -9V to -80V, making it versatile for various applications.
• Adjustable Current Limit: Users can set the current limit threshold via an external resistor, providing flexibility to protect against various load conditions.
• Multi-Function Timer: The in-built timer serves multiple functions, including controlling the MOSFET gate voltage ramp-up rate and setting the fault timer for overcurrent events.
• Automatic Retry or Latch Off: After a fault condition, the device can be configured to automatically retry power-up or latch off, depending on system requirements.
• Under-Voltage and Over-Voltage Protection: These features ensure that the device operates within a safe voltage range, protecting both the system and the electronic components.

Applications:

The LTC4261CUFD is ideal for a variety of applications where negative voltage power management is critical. These include:

• Telecommunication Systems
• Datacom Infrastructure
• Industrial Equipment
• Negative Voltage Power Distribution Systems

Product Specifications:

With its robust feature set, the LTC4261CUFD is an excellent choice for managing power in negative voltage environments, ensuring system stability and protection.