ISL62773AIRZ-T

Special Purpose Regulators Overview

The ISL62773AIRZ-T is a multiphase PWM regulator controller designed for AMD Fusion mobile CPUs and GPUs utilizing the SVI 2.0 interface. It operates within an input voltage range of 4.5V to 25V and provides adjustable output voltages from 0.006V to 1.55V. The device supports two outputs and functions reliably across a temperature range of -40°C to 100°C. It is housed in a 48-QFN (6x6) package with exposed pad.

Special Purpose Regulators Feature Summary

• Supports AMD Fusion SVI 2.0 CPU and GPU power regulation
• Utilizes Robust Ripple Regulator technology for control
• Designed for multiphase switching applications

Special Purpose Regulators Applications

• AMD Fusion mobile CPU power management
• AMD Fusion GPU power regulation
• Multiphase DC-DC converter systems

Special Purpose Regulators Procurement Notes

This component is officially listed as End-of-Life (EOL). Verification of current stock availability through authorized distributors is required, though standard supply may be limited. Buyers should confirm RoHS3 compliance status and review Product Change Notices regarding manufacturing facility updates or label changes before procurement.

Special Purpose Regulators Selection Notes

Select this controller specifically for designs requiring compatibility with AMD Fusion SVI 2.0 protocols. Ensure the system architecture accommodates the 48-VFQFN package dimensions. Verify that the input voltage supply remains within the specified 4.5V to 25V range to maintain proper operation and thermal performance under the defined industrial temperature conditions.

Special Purpose Regulators Part Context

The ISL62773AIRZ-T belongs to the ISL62773 series of specialized power management ICs manufactured by Renesas Electronics Corporation. This series focuses on high-performance voltage regulation for complex processor architectures. The part represents a transition from Intersil branding to Renesas, maintaining technical continuity for legacy AMD platform designs.

Special Purpose Regulators Replacement Considerations

Consult official cross-reference documentation for verified substitutes. Alternative components must support the SVI 2.0 interface and compatible QFN packaging. Verify pinout compatibility and thermal requirements before integrating any replacement parts into existing AMD Fusion-based hardware designs.