LTC3865EUH-1#TRPBF

DC DC Switching Controllers Overview

The LTC3865EUH-1#TRPBF is a dual, two-phase synchronous DC/DC controller manufactured by Analog Devices Inc. housed in a 32-lead QFN package. It operates with an input voltage range of 4.5V to 38V and delivers up to 25A output current per channel. The switching frequency is fixed at 770kHz, supporting output voltages from 600mV to 5V. The device functions within a temperature range of -40°C to +125°C TJ.

DC DC Switching Controllers Feature Summary

• Dual-channel architecture providing independent control for two separate power rails
• Pin-selectable output configuration allowing flexible system design integration
• Synchronous buck topology optimized for high-efficiency power conversion
• Integrated current-mode control ensuring stable operation under varying load conditions

DC DC Switching Controllers Applications

• Distributed power systems requiring multiple regulated outputs
• Digital signal processor (DSP) core voltage regulation
• Telecommunications infrastructure DC/DC power supplies
• Industrial equipment power management modules

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix #TRPBF indicates tape and reel packaging compliance. Ensure the procurement source provides valid traceability documentation matching the manufacturer's lot codes. Check for RoHS compliance status as indicated in official datasheets before finalizing orders.

DC DC Switching Controllers Selection Notes

Select this controller when dual isolated or non-isolated outputs are required from a single IC solution. The 770kHz frequency offers a balance between size and efficiency. Ensure external MOSFETs support the 25A current rating and thermal requirements. Verify that the application input voltage stays within the 4.5V to 38V operational window for reliable performance.

DC DC Switching Controllers Part Context

This part belongs to the LTC3865 family of PolyPhase controllers designed for high-current applications. It complements other models like the LTC3861 and LTC3868 which offer different frequency ranges or interface options. The EUH package provides thermal dissipation benefits for dense PCB layouts.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include the standard LTC3865EUH-1#TRPBF without the trailing PBF if lead-free status is not critical, though PBF denotes Pb-free. Cross-reference with LTC3868 series for similar dual-channel functionality but note differences in switching frequency and control interfaces.