LTC3880EUJ-1#TRMPBF

DC DC Switching Controllers Overview

The LTC3880EUJ-1#TRMPBF is a dual-channel PolyPhase DC/DC synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates with an input voltage range of 4.5 V to 24 V and supports output voltages from 500 mV to 5.4 V. The device delivers up to 30 A per channel and features a fixed switching frequency of 1 MHz. It includes an I2C-based PMBus compatible serial interface for digital power system management. The component is housed in a QFN-40 package, rated for operation between -40°C and +125°C, with a typical quiescent current of 20 mA.

DC DC Switching Controllers Feature Summary

• Dual-channel architecture supporting independent or multiphase PolyPhase operation
• Integrated I2C-based PMBus compliant serial interface for digital control
• Precision current sharing capabilities for balanced load distribution
• Optimized transient response through OPTI-LOOP compensation

DC DC Switching Controllers Applications

• High-performance server and workstation power systems
• Distributed DC power architectures
• Battery-operated digital devices requiring efficient regulation
• Automotive always-on systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix TRMPBF indicates tape and reel packaging when sourcing. Confirm that the EUJ variant corresponds to the specified temperature grade and package dimensions. Ensure compatibility with existing PCB footprints for the QFN-40 configuration. Validate that the -1 designation aligns with required pinout or feature sets compared to standard versions. Cross-reference manufacturer documentation for any recent supply chain updates or alternative package options.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring high efficiency and precise current sharing across multiple phases. The integrated digital interface allows for advanced monitoring and system management. Consider the 1 MHz switching frequency for balancing component size against dynamic response. Evaluate thermal requirements given the 30 A output capability per channel. Ensure the input voltage range matches the system's power source constraints.

DC DC Switching Controllers Part Context

This component belongs to the LTC3880 series, designed as high-efficiency synchronous step-down controllers. It is part of Analog Devices' portfolio focused on polyphase solutions for demanding power applications. The series emphasizes accuracy and fast transient response, suitable for complex digital loads.

DC DC Switching Controllers Replacement Considerations

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