LTC3887EUJ#TRPBF

DC DC Switching Controllers Overview

The LTC3887EUJ#TRPBF is a dual-phase current mode controller designed for high-efficiency polyphase synchronous buck DC/DC converters. It operates with an adjustable switching frequency ranging from 250 kHz to 1 MHz and supports output voltages between 500 mV and 5.5 V. The device delivers up to 30 A of output current per phase and functions within an input voltage range of 4.5 V to 60 V. It features a QFN-40 package, operates across a temperature range of -40°C to +125°C, and includes integrated digital power system management via the PMBus interface.

DC DC Switching Controllers Feature Summary

• Supports dual-phase operation for high-current applications using polyphase architecture
• Integrates digital power system management capabilities through the PMBus interface
• Features programmable switching frequency to optimize efficiency and component size
• Includes built-in protection mechanisms such as thermal regulation and cycle-by-cycle current limiting

DC DC Switching Controllers Applications

• High-performance computing platforms requiring multi-phase power delivery
• Graphics processing unit (GPU) power supply designs
• Server and storage subsystem voltage regulation modules
• Industrial equipment requiring isolated or non-isolated step-down conversion

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm that the part number matches the exact Analog Devices specification sheet for the EUJ package variant. Ensure compatibility with required PCB footprint dimensions for the QFN-40 enclosure. Check for any recent product change notices regarding material composition or manufacturing site updates.

DC DC Switching Controllers Selection Notes

Select this controller when designing systems requiring precise digital monitoring and control of dual-phase buck converters. Consider the operating frequency range relative to inductor selection and electromagnetic interference constraints. Evaluate the thermal performance requirements based on the maximum junction temperature rating and ambient conditions. Verify that the host microcontroller can support the necessary PMBus communication protocol for configuration and telemetry.

DC DC Switching Controllers Part Context

This component belongs to the LTC3887 series of polyphase controllers from Analog Devices. It is engineered to drive external N-channel MOSFETs in a synchronous buck topology. The series is characterized by its ability to handle high currents while maintaining tight voltage regulation. It serves as a core power management solution for modern digital loads demanding dynamic voltage scaling and efficient power distribution.

DC DC Switching Controllers Replacement Considerations

Consult official Analog Devices documentation for verified cross-reference part numbers. Ensure any substitute maintains identical pinout compatibility and electrical specifications. Verify that alternative controllers support the same PMBus command set if digital management is required.