ISL6334DIRZ-T

Special Purpose Regulators Overview

The ISL6334DIRZ-T is a VR11.1 compliant, 4-phase PWM controller designed for Intel processor voltage regulation. It features phase dropping capabilities and droop disabled operation with load current monitoring. The device operates within an input voltage range of 3V to 12V and provides an adjustable output voltage from 500mV to 1.6V. It supports a maximum output current of 200A with a switching frequency of 1MHz. The component functions reliably across a temperature range of -40°C to +85°C and is housed in a 40-VFQFN package.

Special Purpose Regulators Feature Summary

• Complies with Intel VR11.1 specifications for advanced processor power management
• Integrates four-phase PWM control with dynamic phase dropping functionality
• Includes built-in load current monitoring and droop disabled operation modes

Special Purpose Regulators Applications

• Intel Core processor voltage regulation modules
• High-performance computing server power supplies
• Desktop motherboard CPU power delivery systems

Special Purpose Regulators Procurement Notes

Verify the specific suffix 'DIRZ-T' against official Renesas documentation to confirm tape-and-reel packaging and exact thermal grade. Ensure compatibility with existing PCB footprints for the 40-QFN package. Confirm that the VR11.1 feature set aligns with the target processor's requirements before finalizing procurement.

Special Purpose Regulators Selection Notes

Select this component for designs requiring strict adherence to Intel VR11.1 standards. Consider the 4-phase architecture for balanced current distribution. Evaluate the need for phase dropping to optimize efficiency at light loads. Verify that the 1MHz switching frequency fits within the electromagnetic interference constraints of the system design.

Special Purpose Regulators Part Context

This part belongs to the ISL6334 series of multi-phase controllers from Renesas Electronics. It is specifically engineered for high-current applications typical in modern computing platforms. The series offers various package and temperature options to suit different industrial and commercial environments while maintaining consistent core control logic.

Special Purpose Regulators Replacement Considerations

Check for direct pin-to-pin replacements within the same family, such as ISL6334AIRZ or ISL6334BIRZ, ensuring functional equivalence in VR11.1 compliance and phase count.