LTC3868EUFD-1#TRPBF

DC DC Switching Controllers Overview

The LTC3868EUFD-1#TRPBF is a dual-phase synchronous step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 4 V to 24 V and supports output voltages from 800 mV to 14 V. The device delivers up to 25 A of output current across two channels. It features a programmable switching frequency between 75 kHz and 850 kHz and maintains a quiescent current of 170 uA. Load regulation is specified at 0.01%. The component is housed in a QFN-28 package, rated for operation between -40°C and +85°C, and utilizes surface-mount installation.

DC DC Switching Controllers Feature Summary

• Dual-channel architecture providing independent control over two synchronous buck outputs
• Integrated low quiescent current consumption for improved efficiency during light load conditions
• Programmable switching frequency allowing optimization for specific size and performance requirements
• Supports phase shedding and synchronization capabilities for enhanced power management

DC DC Switching Controllers Applications

• Point-of-load regulation for high-current digital processors
• Telecommunications infrastructure power distribution systems
• Industrial equipment requiring stable dual-voltage rails
• Networking hardware with demanding transient response needs

DC DC Switching Controllers Procurement Notes

Verify the exact suffix and tape-and-reel specifications against the manufacturer's latest datasheet before ordering. Confirm that the QFN-28 footprint matches your PCB design constraints. Ensure compatibility with the required input voltage range and thermal management strategy for the intended operating temperature environment.

DC DC Switching Controllers Selection Notes

Select this controller when dual isolated or non-isolated outputs are required from a single input source. Consider the 25 A total current capability and the wide input voltage range suitable for 12 V or 24 V bus architectures. Evaluate the thermal performance of the QFN-28 package relative to your board layout and airflow conditions.

DC DC Switching Controllers Part Context

This component belongs to the LTC3868 series of PolyPhase controllers designed for high-efficiency power delivery. It integrates gate drivers and control logic to manage external N-channel MOSFETs. The device focuses on minimizing component count while maximizing dynamic response and efficiency in compact power solutions.

DC DC Switching Controllers Replacement Considerations

Consult official Analog Devices documentation for verified cross-reference part numbers. Ensure any substitute maintains identical pinout, electrical characteristics, and package dimensions to guarantee functional compatibility without redesign.