LTC3875IUH#TRPBF

DC DC Switching Controllers Overview

The LTC3875IUH#TRPBF is a synchronous buck converter controller from Analog Devices, housed in an LQFN-24 package. It operates with an input voltage range of 4.5V to 14V and supports up to four phases for high-current applications. The device features a fixed switching frequency of 400kHz and includes integrated drivers for external N-channel MOSFETs. Key electrical specifications include a quiescent current of 1.6mA and operation across a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

• Supports up to four parallel phases for high output current capability
• Integrates gate drivers for external N-channel power switches
• Features DCR current sensing for precise load regulation
• Includes remote voltage sensing for improved accuracy

DC DC Switching Controllers Applications

• High-density point-of-load (POL) converters
• Industrial equipment power distribution
• Telecommunications infrastructure
• Networking and datacom systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the LQFN-24 footprint matches your PCB layout requirements. Ensure thermal management solutions are adequate for the intended power dissipation levels during operation.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring high efficiency at high currents where board space is limited. The integrated driver simplifies BOM by reducing external components. Consider the 400kHz frequency as a balance between size and efficiency for your specific inductor selection.

DC DC Switching Controllers Part Context

This part belongs to the LTC3875 family of synchronous buck controllers designed for demanding power delivery applications. It complements other multi-phase controllers in the portfolio by offering a compact solution for single-output high-current needs without sacrificing performance or reliability standards.

DC DC Switching Controllers Replacement Considerations

The DC2142A evaluation board is documented for use with the LTC3874 and LTC3875. Verify pin compatibility if substituting with other multi-phase controllers in the same series.