ISL95861IRTZ

Special Purpose Regulators Overview

The ISL95861IRTZ is a single-rail, five-phase PWM controller designed for Intel IMVP9 processor voltage regulation. It operates with an input voltage range of 4.5V to 28V and provides an adjustable output voltage from 0.5V to 2.3V. The device supports a wide operating temperature range from -10°C to 100°C. Packaged in a 32-lead 4x4 TQFN with exposed pad, it integrates features for high-performance CPU power management.

Special Purpose Regulators Feature Summary

• Implements Robust Ripple Regulator (R3) technology for enhanced transient response and stability
• Supports Intel VR12.5 and VR12.6 specifications for modern processor platforms
• Provides integrated protection mechanisms including over-current and thermal shutdown

Special Purpose Regulators Applications

• Intel IMVP9 processor voltage regulation modules
• Server and workstation mainboard power delivery systems
• High-performance computing CPU core power supplies

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized Renesas distributors or certified partners. Confirm the specific package marking and lot date codes against official documentation. Ensure storage conditions comply with moisture sensitivity level requirements prior to assembly. Request material declarations for RoHS3 and REACH compliance during the sourcing process.

Special Purpose Regulators Selection Notes

Select this controller for applications requiring strict adherence to Intel IMVP9 guidelines. Evaluate thermal performance within the specified -10°C to 100°C range. Consider the 32-QFN footprint constraints for PCB layout. Compare phase count requirements against load current demands to ensure adequate power delivery capability.

Special Purpose Regulators Part Context

This component belongs to the Intersil/Renesas portfolio of specialized voltage regulator controllers. It serves as a critical interface between the processor VID signals and the power stage drivers. The device replaces older generation controllers by offering improved efficiency and dynamic response characteristics required by contemporary high-core-count CPUs.

Special Purpose Regulators Replacement Considerations

Consult official Renesas cross-reference documents for verified substitute part numbers. Verify pinout compatibility and electrical parameter alignment before substitution. Generic equivalents may not support identical Intel VR12.6 signaling protocols.