ISL6566IR

Special Purpose Regulators Overview

The ISL6566IR is a three-phase buck PWM controller with integrated MOSFET drivers, designed for VRM9, VRM10, and AMD Hammer applications. It supports 1, 2, or 3-phase operation with switching frequencies up to 1.5MHz per phase. The device features ±0.5% system accuracy over temperature, differential remote voltage sensing, and adjustable reference-voltage offset. It utilizes loss-less rDS(ON) or DCR current sampling for precise channel sharing and load line programming. Dynamic VID technology allows seamless on-the-fly changes between Intel and AMD DAC codes.

Special Purpose Regulators Feature Summary

• Integrated multi-phase power conversion with built-in gate drivers
• Precision core voltage regulation with differential remote sensing
• Loss-less current sampling using rDS(ON) or inductor DCR
• Dynamic VID technology for real-time voltage identification updates

Special Purpose Regulators Applications

• Intel VRM9 microprocessor voltage regulation
• Intel VRM10 microprocessor voltage regulation
• AMD Hammer application voltage control

Special Purpose Regulators Procurement Notes

Verify the specific suffix 'IR' against the manufacturer's official documentation to confirm package type and temperature range specifications. Confirm RoHS compliance status as indicated in the latest datasheet revisions. Ensure compatibility with required VID coding standards for target processor platforms before finalizing procurement orders.

Special Purpose Regulators Selection Notes

Select this component when space optimization is critical due to integrated driver functionality. Choose for applications requiring high bandwidth response to load transients. Consider for designs needing precise current balancing without external sense resistors. Evaluate suitability for systems supporting dynamic voltage scaling requirements.

Special Purpose Regulators Part Context

This part belongs to the Intersil ISL6566 family of multi-phase controllers. It represents an evolution from separate controller and driver configurations by integrating power MOSFET drivers directly into the IC. This integration reduces external component count and PCB area while maintaining precision regulation capabilities for advanced microprocessors.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.