IR3811MTRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The IR3811MTRPBF is a synchronous buck switching regulator IC from Infineon Technologies, designed for point-of-load applications. It features an adjustable output voltage range of 0.6V to 12V and supports a maximum continuous output current of 7A. The device operates with an input voltage range between 2.5V and 21V. It utilizes a fixed internal switching frequency of 600kHz. The component is housed in a compact 15-PowerVQFN package (5x6mm) suitable for surface mount technology. It functions as a positive, adjustable DC-DC converter.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for high efficiency without external gate drivers
• Supports wide input voltage ranges for flexible system integration
• Compact footprint design optimized for space-constrained PCB layouts

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for digital processors
• General-purpose DC-DC conversion in industrial equipment
• Power supply stages in consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the selected variant matches the required thermal performance and pinout configuration for the target application board. Cross-reference the datasheet revision history to validate compatibility with existing design files.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-phase, high-current synchronous buck solution is required. Ensure the application input voltage remains within the 2.5V to 21V operational window. Verify that the 600kHz switching frequency aligns with the electromagnetic interference constraints and passive component selection of the target power stage design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SupIRBuck series of integrated power modules. It represents a consolidated solution combining control logic and power MOSFETs into a single package. This integration reduces the bill of materials and simplifies layout compared to discrete controller and FET implementations.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Infineon cross-reference tools or authorized distributor databases for verified alternatives.