111-4043PBF

Overview

The Infineon Technologies 111-4043PBF is a specialized processor power management integrated circuit (PMIC) designed for VR11.0 compliance. It utilizes the XPHASE3 control architecture to manage voltage regulation for high-performance processors. The device operates within a supply voltage range of 4.75 V to 7.5 V and draws a typical supply current of 6.5 mA. It is housed in a compact 32-VFQFN exposed pad package, measuring 5x5 mm, which facilitates high-power density designs. The component supports a wide operating temperature range from -40°C to +125°C, ensuring reliability in demanding environments.

Feature Summary

• XPHASE3 control architecture for efficient voltage regulation
• VR11.0 compliant design for modern processor interfaces
• Compact 32-VFQFN exposed-pad package for space-constrained applications

Applications

• Processor voltage regulation
• High-performance computing systems
• Embedded system power management

Procurement Notes

Verify part authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific ordering suffix matches the required package and temperature grade. Check for obsolescence status as this component may be superseded by newer generations. Ensure compatibility with existing board layouts due to the specific 32-VFQFN footprint requirements.

Selection Notes

Select this component when VR11.0 compliance is mandatory for the target processor. Consider the thermal performance of the exposed pad package for heat dissipation needs. Evaluate the 4.75 V to 7.5 V input range against available system rails. Assess the 6.5 mA quiescent current impact on overall system efficiency requirements.

Part Context

This PMIC belongs to Infineon's specialized power management portfolio targeting processor core voltage regulation. It integrates advanced digital control techniques to meet stringent transient response requirements. The product line focuses on providing stable power delivery for complex logic devices in industrial and consumer electronics.

Replacement Considerations

Check for official replacement part numbers from Infineon if this unit is obsolete. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Consult the latest product selection guide for updated alternatives.