LTC4284CUHG#PBF

Hot Swap Controllers Overview

The LTC4284CUHG#PBF is a high-power negative voltage hot swap controller manufactured by Analog Devices Inc. It operates within a supply voltage range of 10.8 V to 12 V and features two independent channels for power distribution management. The device utilizes a QFN-44 surface-mount package suitable for automated assembly. It functions with a quiescent current of 2.5 mA and supports an industrial operating temperature range from 0°C to +70°C, ensuring reliable performance in telecom and server infrastructure applications requiring safe board insertion and removal.

Hot Swap Controllers Feature Summary

• Drives external N-channel MOSFETs to enable safe insertion and removal of boards from live backplanes
• Integrates energy monitoring capabilities for precise power management during hot swap events
• Provides dual-channel control architecture for managing multiple power rails simultaneously

Hot Swap Controllers Applications

• Telecommunications equipment requiring negative voltage power distribution
• Server and storage systems utilizing live backplane architectures
• Industrial control panels needing safe module replacement under load

Hot Swap Controllers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm the CUHG package variant matches your PCB footprint requirements. Check current availability status as this component may be subject to limited supply conditions or factory special orders depending on the distributor channel.

Hot Swap Controllers Selection Notes

Select this controller for negative voltage systems requiring integrated energy monitoring. Ensure external N-channel MOSFETs are rated for the system's peak current and voltage stress. Verify that the 10.8 V to 12 V input range aligns with the target backplane voltage specifications before integration into the design.

Hot Swap Controllers Part Context

This component belongs to the LTC4284 series of hot swap controllers designed for high-power applications. It complements other Analog Devices power management solutions by providing robust protection against inrush currents and short circuits while maintaining system uptime during maintenance operations.

Hot Swap Controllers Replacement Considerations

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