ISL6568IRZA

Special Purpose Regulators Overview

The ISL6568IRZA is a two-phase PWM controller designed for advanced microprocessor voltage regulation. It integrates power MOSFET drivers and supports Intel VRM9, VRM10, and AMD Hammer applications. The device operates with an input voltage range of 3V to 12V and provides an output voltage range of 0.84V to 1.6V. It features a switching frequency of 1.5 MHz and a maximum duty cycle of 66.6%. The component is housed in a 32-VFQFN package with an exposed pad, measuring 5x5 mm. It supports output currents up to 60 A and functions within a temperature range of -40°C to +85°C.

Special Purpose Regulators Feature Summary

• Integrates dual power MOSFET drivers for compact two-phase buck converter designs
• Provides precision voltage regulation compliant with Intel VRM9 and VRM10 standards
• Supports AMD Hammer processor applications through dedicated control logic

Special Purpose Regulators Applications

• Intel VRM9 processor voltage regulation modules
• Intel VRM10 processor voltage regulation modules
• AMD Hammer architecture processor power supplies

Special Purpose Regulators Procurement Notes

Verify the specific suffix 'IRZA' against the manufacturer's current product status documentation. This part number may be subject to end-of-life notices or manufacturing changes. Confirm that the 32-QFN package dimensions and pinout match the target PCB footprint. Ensure compliance with RoHS3 regulations if required by the final assembly specifications. Cross-reference the datasheet revision date to confirm technical accuracy.

Special Purpose Regulators Selection Notes

Select this controller for high-performance CPU power stages requiring integrated gate drivers. The 1.5 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Verify compatibility with the target processor's VID (Voltage ID) interface requirements. Ensure the thermal performance of the 32-QFN package meets the system's heat dissipation needs under maximum load conditions.

Special Purpose Regulators Part Context

The ISL6568 belongs to the Intersil/Renesas family of specialized voltage regulator controllers. It is engineered specifically for the demanding transient response and efficiency requirements of modern microprocessors. The series includes variants such as the ISL6568CRZ-T and ISL6568IRZ, differing primarily in packaging and tape/reel configurations. This component represents a dedicated solution for multi-phase buck conversion in computing platforms.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The ISL6568IRZ is listed as a related variant with identical functional specifications but potentially different packaging. Users should consult official Renesas Electronics change notifications for any approved cross-references or obsolescence management plans.