LTC4371CDD#PBF

OR Controllers, Ideal Diodes Overview

The LTC4371CDD#PBF is an N+1 ORing controller manufactured by Analog Devices Inc., designed for redundant power supply applications. It operates within a voltage range of 2.5V to 80V and supports up to eight channels in a 2:1 configuration. The device utilizes a 10-lead DFN package measuring 3mm x 3mm. It provides precise current sharing among parallel power sources, ensuring system reliability through controlled turn-on sequencing and fault protection mechanisms.

OR Controllers, Ideal Diodes Feature Summary

• Implements N+1 redundancy architecture for high-reliability power distribution systems
• Enables precise current sharing across multiple parallel power sources
• Provides controlled turn-on sequencing to prevent inrush current issues
• Integrates comprehensive fault protection including reverse voltage blocking

OR Controllers, Ideal Diodes Applications

• Redundant server power supplies
• Telecommunications backup power systems
• Industrial control power distribution
• High-availability computing infrastructure

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm the package type matches the 3x3mm DFN footprint requirements for your PCB layout. Ensure the operating voltage range aligns with your system's input specifications. Check for any specific ordering prefixes that may denote temperature grades or tape-and-reel quantities if applicable.

OR Controllers, Ideal Diodes Selection Notes

Select this component when designing systems requiring active current sharing between multiple power rails. It is suitable for applications needing hot-swap capabilities without manual intervention. Consider the channel count limits and ensure the thermal performance of the DFN package meets your dissipation needs. Evaluate the control interface requirements against your system's microcontroller or logic levels.

OR Controllers, Ideal Diodes Part Context

This part belongs to the LTC4371 family of ORing controllers from Analog Devices. It complements other ideal diode solutions like the LTC4372 by offering multi-channel redundancy management rather than single-channel switching. The series focuses on robust power path management for critical infrastructure where uptime is essential.

OR Controllers, Ideal Diodes Replacement Considerations

Direct substitutes include the LTC4371IDD#PBF and LTC4371IMS#PBF, which offer identical functionality in different package formats. Verify pin compatibility and thermal characteristics when swapping between DFN and MSOP packages. Ensure the replacement maintains the same voltage and current sharing specifications.