LTC2926IUFD#TRPBF

Power Supply Controllers, Monitors Overview

The LTC2926IUFD#TRPBF is a specialized power management integrated circuit designed as a MOSFET-controlled power supply tracker. Manufactured by Analog Devices Inc., this component operates within the LTC2926 series and is housed in a 20-lead QFN package (4x5 mm). It functions as a DC/DC switching controller with synchronous rectification capabilities, supporting input voltages from 4V to 140V. The device features an operating junction temperature range of -40°C to +125°C and includes control characteristics such as current limiting, power good signaling, soft start, and tracking functionality.

Power Supply Controllers, Monitors Feature Summary

• MOSFET-controlled power supply tracking for synchronized voltage sequencing
• Wide input voltage range supporting high-voltage bus architectures
• Integrated synchronous rectification for improved efficiency
• Comprehensive protection including current limiting and thermal shutdown

Power Supply Controllers, Monitors Applications

• Multi-rail server and data center power distribution systems
• Industrial equipment requiring precise power-up/down sequencing
• Telecommunications infrastructure power supplies
• High-density point-of-load regulation modules

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm lot traceability and RoHS compliance status prior to integration. Check for recent Product Change Notifications (PCN) regarding manufacturing site updates. Ensure storage conditions meet moisture sensitivity level requirements for QFN packages. Validate that the specific suffix matches design specifications for lead-free soldering processes.

Power Supply Controllers, Monitors Selection Notes

Select this component when precise power rail sequencing is critical for system stability. The wide input voltage range accommodates various bus architectures without external level shifting. Consider the QFN package for thermal performance in compact designs. Evaluate the need for synchronous rectification to minimize power loss in high-current applications. Ensure compatibility with external MOSFETs for optimal tracking performance.

Power Supply Controllers, Monitors Part Context

This part belongs to the LTC2926 family of power supply controllers, which are optimized for complex multi-supply systems. Unlike standard regulators, these devices focus on managing the relationship between multiple power rails rather than generating a single output. The IUFD suffix indicates a specific temperature grade and packaging variant within the broader product line.

Power Supply Controllers, Monitors Replacement Considerations

Direct replacements include other Analog Devices power sequencers like the LTC2925 or LTC2927, depending on channel count and voltage requirements. Verify pin-to-pin compatibility if substituting within the same package type. Cross-reference functional specifications for tracking accuracy and input voltage limits before finalizing any alternative selection.