The Linear Technology LT4250LCN8 is a robust and versatile Hot Swap Controller that allows a board to be safely inserted and removed from a live backplane. Designed to control an external N-channel MOSFET to gently power up capacitive loads, the LT4250LCN8 provides a smooth inrush current limiter and electronic circuit breaker to safeguard both the load and the power source.

Key Features:

• Soft-Start Capability: The device ensures a controlled rise in the output voltage, minimizing the risk of damage caused by inrush currents when power is first applied.
• Electronic Circuit Breaker: The LT4250LCN8 includes an adjustable overcurrent protection feature that guards the system against short-circuits and excessive load conditions.
• Undervoltage Lockout: This feature prevents the system from operating at dangerously low voltages, which can lead to unpredictable behavior or damage to the circuit.
• Adjustable Current Limit: Users can set the current limit threshold according to their specific requirements, ensuring compatibility with a wide range of applications.
• Multi-Function Timer: The built-in timer can be used for controlling the duration of the overcurrent fault condition before the device shuts down, providing additional protection and recovery options.

Applications:

The LT4250LCN8 is ideal for a diverse set of applications, including:

• Hot Swap Systems
• High Availability Servers
• Redundant Power Supplies
• Industrial Systems
• Telecommunications Equipment

Product Specifications:

The LT4250LCN8 comes in an 8-pin DIP package and operates over a voltage range of 2.7V to 16.5V, making it suitable for a broad array of power systems. The device's operating temperature range from 0°C to 70°C ensures reliability across various environmental conditions.

With its comprehensive protection features and flexible design, the LT4250LCN8 from Linear Technology is an excellent choice for engineers looking to implement Hot Swap functionality with confidence and ease.