LTC3886IUKG#PBF

DC DC Switching Controllers Overview

The LTC3886IUKG#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 and provides two independent outputs with voltages adjustable from 500 mV to 13.8 V. Each channel can deliver up to 15 A of output current. The controller operates at switch frequencies between 100 kHz and 750 kHz and includes programmable loop compensation. It functions 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-channel PolyPhase architecture for synchronized buck conversion
• I2C-based PMBus compliant serial interface for digital control
• Constant-frequency current-mode operation with programmable loop compensation
• Integrated DCR sense capability for accurate current monitoring

DC DC Switching Controllers Applications

• High-density point-of-load (POL) power supplies
• Telecommunications infrastructure equipment
• Industrial automation control systems
• Data center server power distribution

DC DC Switching Controllers Procurement Notes

Verify the specific suffix and marking against official Analog Devices documentation to confirm authenticity. Ensure the component matches the QFN-52 package dimensions and pinout specifications required for your PCB layout. Cross-reference the datasheet revision date to ensure compatibility with your design requirements. Confirm that the operating temperature range meets your environmental constraints before finalizing procurement.

DC DC Switching Controllers Selection Notes

Select this controller when designing dual-output buck converters requiring digital management via PMBus. Consider the 60 V maximum input voltage limit and the 15 A per channel current capability. Evaluate the need for DCR sensing versus external current sense amplifiers based on efficiency targets. Ensure the chosen switching frequency aligns with available inductor and capacitor values for optimal transient response.

DC DC Switching Controllers Part Context

This component belongs to the LTC3886 series of dual PolyPhase controllers. It is part of Analog Devices' portfolio of high-performance power management integrated circuits designed for demanding applications. The series emphasizes digital control capabilities alongside robust analog performance, catering to modern power delivery architectures that require precise regulation and communication.

DC DC Switching Controllers Replacement Considerations

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