ISL62773HRZ

Special Purpose Regulators Overview

The ISL62773HRZ is a multiphase PWM controller designed for AMD Fusion SVI 2.0 CPU and GPU power delivery. 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 utilizes the Robust Ripple Regulator (R3) architecture and is housed in a 48-QFN (6x6mm) package with exposed pad. It supports a working temperature range of -10°C to 100°C.

Special Purpose Regulators Feature Summary

• Implements Robust Ripple Regulator (R3) control technology for enhanced transient response
• Supports AMD Fusion SVI 2.0 interface protocols for CPU and GPU regulation
• Provides dual-output synchronous buck converter control

Special Purpose Regulators Applications

• AMD Fusion CPU core voltage regulation
• AMD Fusion GPU voltage regulation
• SVI 2.0 compliant motherboard power designs

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized channels as this part is officially discontinued by Renesas Electronics Corporation. Confirm that existing inventory meets current RoHS3 compliance standards and moisture sensitivity level requirements before integration into production schedules.

Special Purpose Regulators Selection Notes

Select this component only for legacy AMD Fusion platform designs requiring SVI 2.0 compatibility. Evaluate alternative modern controllers if new design-in opportunities exist, considering the discontinued status and potential supply chain constraints associated with end-of-life products.

Special Purpose Regulators Part Context

This IC belongs to the ISL62773 series of specialized power management integrated circuits. It is categorized under special purpose regulators and switching controllers within the broader PMIC portfolio, specifically tailored for high-performance computing applications requiring precise multi-phase power delivery.

Special Purpose Regulators Replacement Considerations

No public confirmed substitute part numbers are available. The product is listed as obsolete with discontinuance notifications issued.