LTC1421CG-2.5#PBF

Hot Swap Controllers Overview

The LTC1421CG-2.5#PBF is a Hot Swap Voltage Controller manufactured by Analog Devices Inc., designed for safe insertion and removal of circuit boards under power. It operates within a supply voltage range of 4.75 V to 5.5 V, with a typical quiescent current of 1.5 mA. The device features an adjustable threshold voltage of 2.5 V and utilizes an SSOP-28 package for surface mount installation. It supports full-duplex operation and includes integrated protection mechanisms against overvoltage and overcurrent conditions during hot swap events.

Hot Swap Controllers Feature Summary

• Integrated control logic for managing inrush current and fault protection during board insertion or removal
• Adjustable threshold voltage capability for precise monitoring of system power rails
• Supports hot swap operations allowing peripheral connection without system power interruption
• Includes shutdown functionality to minimize power consumption when not actively managing swaps

Hot Swap Controllers Applications

• PCI slot hot-swappable interface design
• Peripheral card insertion management in industrial systems
• Server backplane power distribution protection
• Telecommunications equipment board replacement safety

Hot Swap Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS status through official Analog Devices documentation. Confirm the SSOP-28 package dimensions and thermal characteristics match your PCB layout requirements. Ensure the 2.5 V threshold setting aligns with your system's voltage monitoring needs. Check for any product change notifications that may affect pinout or electrical specifications before finalizing procurement.

Hot Swap Controllers Selection Notes

Select this component when designing systems requiring reliable hot swap capabilities for 5 V powered peripherals. The LTC1421 provides essential protection against voltage spikes and excessive inrush currents. Consider the 1.5 mA operating current for low-power standby applications. Verify compatibility with external bus switches if maintaining system power during insertion is required. Evaluate the SSOP-28 footprint availability in your manufacturing process.

Hot Swap Controllers Part Context

This part belongs to the LTC1421 series of Hot Swap Controllers from Analog Devices. These devices are specialized PMIC components focused on protecting power buses during dynamic connection events. The series offers various threshold options and package types to suit different voltage levels and form factors. This specific model targets standard 5 V systems with precise 2.5 V monitoring thresholds.

Hot Swap Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices application notes for potential family replacements or consult manufacturer support for cross-reference data.