LTC3887IUJ#PBF

DC DC Switching Controllers Overview

The LTC3887IUJ#PBF is a dual output PolyPhase Buck DC/DC controller manufactured by Analog Devices Inc. It operates within a switching frequency range of 250 kHz to 1 MHz and supports an output voltage range from 500 mV to 5.5 V. The device is designed to drive up to 30 A of output current. It features a QFN-40 package and functions as an isolated switching controller. The component operates reliably across a temperature range of -40°C to +125°C, with typical rise and fall times of 30 ns and a shutdown capability for power management.

DC DC Switching Controllers Feature Summary

• Dual output architecture utilizing PolyPhase technology for efficient power delivery
• Digital power management capabilities integrated into the control loop
• Supports high-speed switching frequencies up to 1 MHz for compact designs
• Includes shutdown functionality for precise power state control

DC DC Switching Controllers Applications

• PolyPhase Buck DC/DC converter circuits
• Digital power supply systems requiring dual outputs
• High-density point-of-load applications

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #PBF confirms lead-free compliance and RoHS standards before procurement. Confirm the QFN-40 package dimensions match your PCB footprint requirements. Ensure the input voltage and current demands do not exceed the 30 A limit. Check for availability restrictions as distribution may vary by region. Validate that the operating temperature range meets your environmental specifications.

DC DC Switching Controllers Selection Notes

Select this component when dual independent outputs are required from a single controller IC. The wide switching frequency range allows optimization for efficiency versus size. Consider the 30 A current capacity for moderate load applications. The digital interface support enables advanced monitoring and control features. Ensure the QFN-40 package is suitable for your assembly process and thermal management strategy.

DC DC Switching Controllers Part Context

This part belongs to the LTC3887 series of PolyPhase controllers. It is distinct from the LTC3886 which handles higher voltages and currents. The IUJ designation indicates the industrial temperature grade and QFN-40 package. It serves as a core component in multi-phase buck converter designs for digital power applications.

DC DC Switching Controllers Replacement Considerations

LTC3887EUJ#PBF (Commercial grade variant)

DC DC Switching Controllers FAQ

What is the maximum switching frequency supported by the LTC3887IUJ#PBF?

The device supports a switching frequency range from 250 kHz to 1 MHz.

Does the LTC3887IUJ#PBF support digital communication protocols?

Yes, it includes digital power management capabilities for system integration.