ISL95861IRTZ-T

Special Purpose Regulators Overview

The ISL95861IRTZ-T is a single rail 5-phase PWM controller designed for Intel IMVP9 processor voltage regulation. It operates within an input voltage range of 4.5V to 28V and provides an adjustable output voltage from 0.5V to 2.3V. The device is housed in a 32-lead 4x4 TQFN package with an exposed pad. It supports a wide operating temperature range from -40°C to 100°C and carries a Moisture Sensitivity Level (MSL) rating of 3, corresponding to 168 hours of reflow soldering capability.

Special Purpose Regulators Feature Summary

• Implements the Robust Ripple Regulator (R3) control architecture for enhanced transient response and stability.
• Configured as a single-rail five-phase controller optimized for high-current processor power delivery.
• Complies with Intel VR12 specifications for modern computing platform voltage regulation.

Special Purpose Regulators Applications

• Intel IMVP9 compliant processor core voltage regulation
• High-performance server and workstation power supply designs
• Multi-phase DC-DC converter stages for CPU/GPU power delivery

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized Renesas distributors or certified partners. Confirm the specific tape and reel packaging configuration matches design requirements. Ensure compliance with RoHS3 standards and check for any recent Product Change Notices (PCN) regarding manufacturing site updates or material substitutions prior to final procurement authorization.

Special Purpose Regulators Selection Notes

Select this controller for applications requiring a single-output, five-phase topology under the Intel IMVP9 standard. Evaluate thermal performance based on the 32-lead TQFN package constraints and ambient operating conditions up to 100°C. Ensure the system input voltage remains within the specified 4.5V to 28V window and that the load current demands align with the five-phase capability.

Special Purpose Regulators Part Context

This component belongs to the Robust Ripple Regulator (R3) family from Renesas, specifically tailored for Intel VR12/IMVP9 processor power management. It serves as a dedicated switching controller for generating stable core voltages in complex digital systems. The part integrates advanced control loops to manage rapid load transients typical in modern microprocessors.

Special Purpose Regulators Replacement Considerations

Direct functional substitutes are not explicitly confirmed in public documentation. Review the broader ISL958xx series for potential pin-compatible alternatives if available, ensuring strict adherence to the IMVP9 specification and phase count requirements during any cross-reference evaluation.

Special Purpose Regulators FAQ

What is the maximum number of phases supported by this controller?

The ISL95861IRTZ-T is designed as a single rail 5-phase PWM controller.

Does this component comply with Intel VR12 specifications?

Yes, it is designed for Intel IMVP9, which is part of the Intel VR12 specification family.