LT1640HIS8#PBF

Hot Swap Controllers Overview

The LT1640HIS8#PBF is a negative voltage hot swap controller manufactured by Analog Devices Inc. It operates within an input supply voltage range of 10 V to 80 V and features a single channel with programmable current limiting. The device functions in surface-mount SOIC-8 packages and supports an industrial operating temperature range from -40°C to +85°C. Quiescent supply current is specified at 1.3 mA, and it lacks power failure detection capabilities.

Hot Swap Controllers Feature Summary

• Provides integrated protection for negative voltage hot swap applications
• Features externally programmable current limit thresholds
• Supports automatic retry functionality upon fault clearance

Hot Swap Controllers Applications

• Telecommunications equipment requiring -48V bus protection
• Industrial control systems utilizing negative power rails
• Server infrastructure managing negative voltage backplanes

Hot Swap Controllers Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm exact thermal grade and package variant. Ensure compatibility with negative voltage system architectures before integration. Confirm RoHS compliance status through manufacturer datasheets as regulatory requirements vary by region and production batch.

Hot Swap Controllers Selection Notes

Select this component for designs requiring robust protection on negative voltage buses. Evaluate external resistor networks for precise current limit setting. Consider thermal dissipation requirements in the SOIC-8 package relative to ambient conditions. Verify that the 10 V minimum operating voltage aligns with the system's lowest rail potential during transient events.

Hot Swap Controllers Part Context

This part belongs to the LT1640 series of negative voltage hot swap controllers. It complements other variants such as the LT1640LIS8#PBF and LT1640ALCS8#PBF, which differ primarily in temperature ranges and package types. The series provides standardized protection solutions for managing insertion stresses in negative voltage environments.

Hot Swap Controllers Replacement Considerations

LT1640AHIS8#PBF serves as a direct functional substitute within the same family, sharing identical pinouts and core control logic while maintaining similar electrical characteristics.