LTC3886IUKG-1#PBF

DC DC Switching Controllers Overview

The LTC3886IUKG-1#PBF is a dual PolyPhase DC/DC synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It features an I2C-based PMBus compliant serial interface and employs a constant-frequency, current-mode architecture. The device supports high voltage input ranging from 4.5 V to 60 V. It provides two independent outputs with adjustable voltages between 500 mV and 13.8 V. The controller handles up to 100 A output current per phase. Switching frequencies are programmable from 100 kHz to 750 kHz. It operates within a temperature range of -40°C to +125°C and is housed in a QFN-52 package.

DC DC Switching Controllers Feature Summary

• Dual PolyPhase architecture for high-current delivery
• I2C-based PMBus compatible digital control interface
• Constant-frequency current-mode operation
• High voltage input capability up to 60 V

DC DC Switching Controllers Applications

• Server and workstation power distribution
• Industrial equipment power supplies
• Telecommunications infrastructure
• Point-of-load regulation modules

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or direct manufacturer channels. Confirm the specific suffix matches the required thermal grade and packaging format. Check for RoHS compliance documentation. Ensure the part number corresponds to the exact pinout and electrical specifications required for the design. Validate supply chain integrity due to potential limited availability status.

DC DC Switching Controllers Selection Notes

Select this controller when designing systems requiring dual independent buck outputs driven by a single digital interface. The wide input voltage range suits applications with varying bus voltages. Consider the thermal performance of the QFN-52 package for high-current designs. Ensure the host system supports the necessary I2C/PMBus protocols for configuration and monitoring. Evaluate the need for external MOSFETs and passive components based on the target current and frequency settings.

DC DC Switching Controllers Part Context

This component belongs to the LTC3886 family of dual-phase controllers designed for high-efficiency power conversion. It integrates advanced digital control features to simplify system management. The device is part of Analog Devices' portfolio of power management integrated circuits aimed at improving efficiency and reducing board space in demanding electronic applications.

DC DC Switching Controllers Replacement Considerations

Consult official Analog Devices documentation for verified cross-reference part numbers. Ensure any substitute maintains compatibility with the I2C/PMBus protocol and physical footprint. Verify that electrical parameters such as input voltage range and output current capabilities meet or exceed original requirements.