Analog Devices Inc. LTC4251BCS6-1#TRPBF

The LTC4251BCS6-1#TRPBF is a robust, high-performance negative voltage hot swap controller designed by Analog Devices Inc. to allow safe board insertion and removal from a live backplane. This compact and efficient component is housed in a space-saving SOT-23 package, making it an excellent choice for systems where board space is at a premium.

This hot swap controller operates over a voltage range of -48V, which is a standard in telecom and server applications, providing a reliable solution for managing the power requirements of negative supply rails. It features an adjustable overcurrent protection that safeguards both the electronic system and the card from excessive currents during hot swapping.

The LTC4251BCS6-1#TRPBF also includes a range of safety features designed to ensure the protection and longevity of your electronic systems. These features include an overcurrent circuit breaker, a gate driver for an external N-channel MOSFET, and a power good output that can be used to enable a downstream converter when the card is fully seated and the MOSFET is fully enhanced.

With its built-in timer, the controller provides a controlled ramp-up of card power, which minimizes inrush current and reduces the stress on the MOSFET during startup. This feature is particularly important in systems with multiple cards or modules that may be inserted or removed frequently.

The LTC4251BCS6-1#TRPBF is characterized for operation from -40°C to 85°C, ensuring reliable performance across a wide range of temperatures. This makes it suitable for industrial and other harsh environments where temperature extremes are common.

Whether you are designing a new system or upgrading an existing one, the LTC4251BCS6-1#TRPBF from Analog Devices Inc. offers a compact, reliable, and feature-rich solution for negative voltage hot swap applications. Its combination of protection features and compact form factor makes it an essential component for high-availability systems that require maintenance or expansion without system shutdown.

For detailed specifications and application support, visit the Analog Devices Inc. website or contact their technical support team.