ISL6388IRTZ-TR5636

Special Purpose Regulators Overview

The ISL6388IRTZ-TR5636 is a digital hybrid voltage regulator controller designed for Intel VR12 and VR12.5 specifications. It features a single output capable of delivering up to 180 A. The device operates with a switching frequency of 1.5 MHz and accepts an input voltage of 14 V, regulating the output to 3.04 V. Packaged in a 40-pin TQFN (5x5 mm) with a height of 0.75 mm, it supports PMBus communication. The component is classified as humidity sensitive and is intended for high-performance processor power delivery applications.

Special Purpose Regulators Feature Summary

• Digital hybrid architecture compliant with Intel VR12 and VR12.5 standards
• Integrated PMBus interface for configuration and monitoring
• Single-phase output control optimized for high-current loads

Special Purpose Regulators Applications

• Intel processor core voltage regulation
• High-performance computing server power supplies
• VR12/VR12.5 compliant motherboard designs

Special Purpose Regulators Procurement Notes

Verify the exact suffix TR5636 against official Renesas documentation to confirm tape-and-reel packaging and specific manufacturing lot codes. Ensure compatibility with existing PCB footprints for the 40-TQFN package. Confirm that the design accounts for the specified humidity sensitivity level during storage and assembly processes.

Special Purpose Regulators Selection Notes

Select this controller when designing systems requiring strict adherence to Intel VR12 or VR12.5 protocols. The digital hybrid approach offers flexibility in tuning compared to purely analog solutions. Ensure the system can support the required 1.5 MHz switching frequency and that the thermal design accommodates the power dissipation associated with 180 A output currents.

Special Purpose Regulators Part Context

This component belongs to the Renesas ISL6388 series of voltage regulator controllers. It is part of the company's portfolio focused on power management for complex digital loads. The series utilizes digital control techniques to enhance transient response and efficiency in demanding computing environments.

Special Purpose Regulators Replacement Considerations

Check for direct substitutes within the ISL6388 family, such as the ISL6388IRTZ, ensuring pinout and electrical parameters match. Verify if newer revisions from Renesas offer improved performance or updated compliance with evolving Intel specifications.