IR3548MTRPBF

Special Purpose Regulators Overview

The IR3548MTRPBF is a high-performance dual PowIRstage CPU voltage regulator IC manufactured by Infineon Technologies. It integrates two synchronous buck converters in a single package, designed for efficient power delivery to central processing units. The device operates with an input voltage range of 4.25V to 17V and provides a single output channel. It utilizes a 49-lead PQFN (6x8 mm) surface-mount package to minimize footprint while maintaining robust thermal performance for demanding computing applications.

Special Purpose Regulators Feature Summary

• Integrates dual synchronous buck converter stages within a compact PowIRstage architecture
• Optimized for high-efficiency power delivery to central processing units
• Features integrated gate drivers and power MOSFETs for reduced component count

Special Purpose Regulators Applications

• CPU voltage regulation in server platforms
• High-performance computing systems
• Desktop computer motherboards

Special Purpose Regulators Procurement Notes

Verify the specific suffix and marking code against the manufacturer's latest datasheet to ensure authenticity. Confirm that the component matches the original International Rectifier or Infineon production lineage. Check for moisture sensitivity labeling and storage conditions prior to installation. Ensure the supplier provides traceability documentation consistent with automotive or industrial grade requirements if applicable.

Special Purpose Regulators Selection Notes

Select this component when designing power stages for CPUs requiring dual-phase or independent voltage rails from a single controller solution. Consider the 49-lead PQFN package constraints for PCB layout and thermal dissipation. Evaluate the input voltage compatibility with system bus architectures ranging from 4.25V to 17V. Assess thermal management needs given the integrated power stage design.

Special Purpose Regulators Part Context

This part belongs to the PowIRstage family, which combines control logic, gate drivers, and power switches into a single module. It represents a transition from discrete solutions to highly integrated power management ICs. The series targets applications where space savings and efficiency are critical, such as modern processor power delivery networks.

Special Purpose Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided data. Verify compatibility with existing board layouts and control signals before considering alternative components.