LT1640LCS8#PBF

Hot Swap Controllers Overview

The LT1640LCS8#PBF is a negative voltage hot swap controller designed for -48V applications. It operates within an input voltage range of -80V to -10V and features a single channel with no internal switch. The device supports programmable current limiting, circuit breaker functions, fault timeout, overvoltage protection (OVP), and under-voltage lockout (UVLO). It includes auto-retry capabilities and consumes 1.3mA of supply current. Packaged in an 8-SOIC case, it is suitable for surface mount installation.

Hot Swap Controllers Feature Summary

• Supports negative voltage hot swapping for safe insertion and removal of cards in live systems
• Provides programmable current limiting and circuit breaker protection against short circuits
• Includes fault timeout and overvoltage protection mechanisms to safeguard connected loads
• Features auto-retry functionality to automatically recover from transient faults

Hot Swap Controllers Applications

• -48V telecommunications infrastructure equipment
• Industrial control systems requiring hot swap capability
• Server and storage backplanes operating on negative voltage rails

Hot Swap Controllers Procurement Notes

Verify the specific suffix 'C' indicates the commercial temperature grade when sourcing replacements. Confirm the package type matches the required PCB footprint. Ensure the supplier provides original manufacturer documentation to validate authenticity. Check for RoHS compliance status if environmental regulations apply to your assembly process.

Hot Swap Controllers Selection Notes

Select this component for designs requiring robust protection on negative voltage rails. It is appropriate where external FETs are preferred for higher current handling or thermal management. Consider the SOIC-8 package constraints for board space. Evaluate the need for programmable thresholds against fixed-limit alternatives.

Hot Swap Controllers Part Context

This part belongs to the LT1640 family of hot swap controllers from Analog Devices. It is specifically engineered for negative voltage applications, contrasting with positive voltage variants like the LT1640HIS8. The family offers integrated protection features commonly used in telecom and industrial sectors to prevent damage during module insertion.

Hot Swap Controllers Replacement Considerations

LT1640LIS8#PBF is a verified substitute offering similar functionality with potentially different temperature ratings.