ISL6333AIRZ

Special Purpose Regulators Overview

The ISL6333AIRZ is a switching controller designed for Intel VR11 compliant voltage regulator applications. It features an integrated three-phase controller with three dedicated drivers and a 50-millisecond startup delay, operating without digital enable functionality. The device supports adjustable switching frequencies ranging from 80 kHz to 1 MHz and regulates output voltages between 500 mV and 1.6 V. It is rated for up to 100 A output current capability and operates within a commercial temperature range of 0°C to +70°C. The component is housed in a 48-lead QFN package.

Special Purpose Regulators Feature Summary

• Integrated three-phase PWM controller with built-in gate drivers
• Compliant with Intel VR11 voltage regulator specifications
• Configurable switching frequency and output voltage ranges
• Includes 50-millisecond power-on delay feature

Special Purpose Regulators Applications

• Intel VR11 compliant CPU core voltage regulation
• High-current multi-phase DC-DC conversion systems
• Server and workstation power supply designs

Special Purpose Regulators Procurement Notes

Verify the exact suffix and marking code against the manufacturer datasheet to confirm the specific variant, as packaging or minor revisions may exist. Confirm end-of-life status and availability through authorized channels, as this component may be discontinued. Ensure compatibility with existing PCB footprints and thermal management requirements before procurement.

Special Purpose Regulators Selection Notes

Select this component for designs requiring strict adherence to Intel VR11 standards with integrated driver capabilities. Consider the 48-QFN package size for space-constrained layouts. Evaluate the need for the 50ms delay feature against system startup requirements. Verify that the input voltage range and thermal dissipation capabilities meet the specific application loads.

Special Purpose Regulators Part Context

This part belongs to the ISL6333C series of power management ICs manufactured by Renesas Electronics (formerly Intersil). It is categorized under PMIC switching controllers specifically tailored for high-performance computing applications. The series is designed to provide efficient power delivery for complex processor architectures requiring multiple voltage rails.

Special Purpose Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official Renesas cross-reference tools for potential alternatives.