IR3840WMTRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3840WMTRPBF is a synchronous buck switching regulator IC from the SupIRBuck series, manufactured by Infineon Technologies. It provides an adjustable positive output voltage ranging from 0.7V to 14.4V with a maximum continuous output current of 12A. The device operates within an input voltage range of 1.5V to 16V and supports a programmable switching frequency between 225kHz and 1.65MHz. It utilizes a 15-PowerVQFN package (PQFN 5x6) and functions across a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs for efficient synchronous rectification in a compact footprint.
• Features a wide programmable switching frequency range to optimize external component size and transient response.
• Includes comprehensive protection mechanisms such as over-current protection and thermal shutdown.
• Supports remote voltage sensing to maintain regulation accuracy at the load point.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load (POL) conversion for server and data center processors
• Industrial equipment power distribution systems
• Communication infrastructure base stations
• High-density embedded computing platforms

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against official Infineon documentation, as variations like WMTRPBF may indicate specific tape-and-reel configurations or regional compliance markings. Confirm RoHS status and moisture sensitivity level prior to assembly. Check for obsolescence notices or lifecycle status updates directly from the manufacturer to ensure long-term supply availability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-phase, high-current buck solution is required with minimal external passive count. Ensure the application input voltage remains within the 1.5V to 16V window. Evaluate the thermal performance requirements given the 12A capability in a small PQFN package, and verify that the desired output voltage falls within the 0.7V to 14.4V adjustable range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SupIRBuck family, which integrates power stages into a single monolithic IC to reduce board space. It serves as a drop-in replacement for discrete MOSFET solutions in high-density designs. The IR3840 variant specifically targets applications requiring higher current density than standard 8A or 10A regulators while maintaining simple voltage mode control architecture.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Infineon's official product selection guide for cross-reference recommendations based on specific electrical and thermal requirements.