LTC3887IUJ-1#TRPBF

DC DC Switching Controllers Overview

The LTC3887IUJ-1#TRPBF is a synchronous step-down switching controller from Analog Devices, designed for high-performance power management applications. It operates with an input voltage range of 4.5V to 24V and supports a switching frequency between 250kHz and 1MHz. The device features two independent outputs capable of delivering up to 30A per channel. It utilizes a QFN-40 package and functions within a temperature range of -40°C to +125°C. Key electrical parameters include a maximum duty cycle of 50% and output voltages adjustable from 500mV to 5.5V.

DC DC Switching Controllers Feature Summary

• Integrates dual-channel PolyPhase buck control architecture for efficient multi-rail power distribution.
• Supports digital interface communication via I2C and PMBus protocols for system monitoring and configuration.
• Features isolated gate drivers with fast rise and fall times to minimize switching losses.
• Includes comprehensive protection mechanisms such as thermal shutdown and overcurrent limiting.

DC DC Switching Controllers Applications

• High-density server and data center power supplies
• Telecommunications infrastructure equipment
• Industrial automation control systems
• Networking and storage subsystems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the -1 variant aligns with required pinout or feature configurations compared to standard versions. Ensure compatibility with existing PCB footprints and thermal design requirements before finalizing procurement plans.

DC DC Switching Controllers Selection Notes

Select this component when dual-output synchronous buck control is required with digital interface capabilities. Consider the 250kHz to 1MHz frequency range for optimizing inductor size versus efficiency trade-offs. Evaluate the 30A current capability against peak load demands and ensure adequate thermal dissipation strategies are implemented for the QFN-40 package.

DC DC Switching Controllers Part Context

This part belongs to the LTC3887 series of synchronous step-down controllers. It shares architectural similarities with other devices in the family but offers specific output current ratings and interface options. The series is designed for applications requiring precise voltage regulation and dynamic response in demanding power environments.

DC DC Switching Controllers Replacement Considerations

LTC3887IUJ-1#PBF serves as a tube-packaged alternative with identical electrical specifications. Verify package type requirements before substitution. No direct cross-model replacements are documented in the provided source material.