Product Overview: LTC4252CCMS-1#TRPBF

The LTC4252CCMS-1#TRPBF is a negative voltage Hot Swap™ controller manufactured by Linear Technology, which is now part of Analog Devices. This sophisticated component is designed to enable safe board insertion and removal from a live backplane. It specifically targets systems operating with negative supply voltages, making it an ideal choice for telecom and datacom applications where negative voltage rails are common.

Key Features

• Negative Voltage Operation: The device operates with supply voltages ranging from -9V to -80V, allowing for flexibility in various negative voltage systems.
• Adjustable Current Limit: Users can set the overcurrent limit threshold via an external resistor, providing customized protection based on specific system requirements.
• Gate Voltage Clamping: To protect external MOSFETs during insertion, the LTC4252CCMS-1#TRPBF clamps the gate voltage, preventing excessive inrush currents.
• Multi-Function Timer: An onboard timer serves multiple functions, including controlling the circuit breaker's response time and the duration of the fault condition before a retry attempt is made.
• Under Voltage Lockout (UVLO): The UVLO feature ensures that the Hot Swap controller operates only when the supply voltage is within an acceptable range, thereby protecting the load and the system.

Applications

This Hot Swap controller is particularly suitable for systems that require reliable operation and easy maintenance without the need to power down the entire system. Common applications include:

• Telecommunications Equipment
• Network Routers and Switches
• Datacom Infrastructure
• Central Office Switching
• High Availability Systems

Package and Quality

The LTC4252CCMS-1#TRPBF comes in a compact 10-lead MSOP package, which is RoHS compliant and suitable for space-constrained applications. The device is also available in tape and reel packaging (denoted by the #TRPBF suffix), which facilitates automated assembly processes for high-volume production. Linear Technology ensures high-quality standards, making this product reliable for critical applications where uptime is paramount.