ISL6373IRTZ

Special Purpose Regulators Overview

The ISL6373IRTZ is a single-output Intel VR12 voltage regulator controller manufactured by Renesas Electronics Corporation. It operates within an input voltage range of 4.75V to 5.25V and provides an adjustable output voltage from 0.25V to 3.04V. The component utilizes a 40-TQFN (5x5) surface-mount package with exposed pad for thermal dissipation. Designed for high-performance processor applications, it supports the Intel VR12 specification. The device is rated for operation across an extended temperature range of -40°C to +85°C, ensuring reliability in demanding computing environments.

Special Purpose Regulators Feature Summary

• Complies with Intel VR12 specifications for processor power management
• Single-channel control architecture optimized for core voltage regulation
• Integrated thermal performance via exposed pad TQFN packaging

Special Purpose Regulators Applications

• Intel Core processor voltage regulation
• Server and workstation mainboard power systems
• High-performance desktop computer motherboards

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to availability constraints. Confirm that the specific suffix corresponds to the industrial temperature grade (-40°C to +85°C). Ensure compatibility with existing PCB layouts designed for 40-TQFN footprints. Check current stock status as this part may be subject to discontinuation notices or limited production runs.

Special Purpose Regulators Selection Notes

Select this controller when designing for single-phase VR12 compliant processor loads requiring precise voltage tracking. Compare against multi-phase alternatives if higher current delivery is necessary. Consider the fixed 40-pin QFN footprint constraints during mechanical design. Evaluate thermal requirements based on the exposed pad design for adequate heat sinking solutions.

Special Purpose Regulators Part Context

This component belongs to the Renesas VR12 series of specialized voltage regulator controllers. It complements other models like the ISL6363 and ISL6374 within the same product family. These devices are engineered specifically for modern CPU power delivery standards, focusing on transient response and accuracy. The series represents a transition toward integrated digital-analog control architectures for complex processor power needs.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers: None.