LTC1421IG-2.5#PBF

Hot Swap Controllers Overview

The LTC1421IG-2.5#PBF is a Hot Swap Voltage Controller manufactured by Analog Devices Inc., designed for safe board insertion and removal from live backplane systems. It operates with supply voltages ranging from 3V to 12V and utilizes external N-channel pass transistors to ramp up board supply voltages at a programmable rate. The device features a programmable electronic circuit breaker, system reset control, and power good outputs. It includes connection inputs to detect board insertion or removal and supports undervoltage lockout and power-on reset functions.

Hot Swap Controllers Feature Summary

• Enables safe hot-swapping of boards in live backplane environments using external N-channel pass transistors
• Integrates a programmable electronic circuit breaker to protect against overcurrent conditions
• Provides system reset and power good control outputs for reliable power sequencing
• Detects board insertion or removal via dedicated connection inputs

Hot Swap Controllers Applications

• PCI slot hot-swap implementations
• Peripheral insertion/removal in live systems
• Backplane board protection circuits

Hot Swap Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS status according to the manufacturer's current documentation. Confirm the operating temperature range and package type match your design requirements. Check for any product change notifications that may affect pin compatibility or electrical characteristics before finalizing procurement.

Hot Swap Controllers Selection Notes

Select this component when designing systems requiring controlled power ramp-up during hot-swap events. Ensure the external N-channel MOSFETs are rated for the maximum supply voltage and current. Verify that the programmable threshold settings align with the specific circuit breaker requirements of the target application.

Hot Swap Controllers Part Context

This part belongs to the LTC1421 series of hot swap controllers from Analog Devices. It is specifically engineered for managing power delivery in modular systems where boards must be inserted or removed without shutting down the entire system. The controller simplifies the design of robust power management interfaces for industrial and communication equipment.

Hot Swap Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.