ISL95853AIRZ-T

Special Purpose Regulators Overview

The ISL95853AIRZ-T is a multi-phase core controller designed for Intel IMVP8 specifications. It operates within a 4.5V to 5.5V input voltage range and utilizes a 32-lead, 4x4mm QFN package with exposed pad. The device supports single-output configurations and features integrated gate drivers. It employs Robust Ripple Regulator (R3) technology for transient response optimization.

Special Purpose Regulators Feature Summary

• Implements R3 modulation for improved transient settling and light-load efficiency
• Supports Intel IMVP8 protocol via serial control bus communication
• Integrates high-side gate drivers for simplified power stage design

Special Purpose Regulators Applications

• Intel IMVP8 desktop microprocessor core power supplies
• Single-rail CPU voltage regulation modules
• High-density server processor power delivery systems

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized Renesas distributors due to End-of-Life status. Confirm RoHS3 compliance and moisture sensitivity level 3 handling requirements during assembly. Review Product Change Notices for packaging label updates or material substitutions affecting long-term availability.

Special Purpose Regulators Selection Notes

Select this controller for applications requiring strict adherence to Intel IMVP8 standards with single-core rail requirements. Evaluate thermal performance within the 4x4 QFN footprint against system cooling constraints. Ensure compatibility with supported power stages and current sensing methods before finalizing the bill of materials.

Special Purpose Regulators Part Context

This component belongs to the ISL95853 family of power management ICs developed by Renesas Electronics Corporation. It serves as a specialized voltage regulator controller targeting high-performance computing platforms. The part represents a transition from previous Intersil designs into the Renesas portfolio following corporate acquisition.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference data directly with manufacturer engineering support.