ISL62773AIRZ

Special Purpose Regulators Overview

The ISL62773AIRZ 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-VFQFN package with exposed pad, measuring 6x6 mm.

Special Purpose Regulators Feature Summary

• Integrates Robust Ripple Regulator (R3) technology for enhanced stability
• Supports AMD Fusion SVI 2.0 CPU/GPU power management protocols
• Features dual-output control architecture

Special Purpose Regulators Applications

• AMD Fusion mobile CPU power regulation
• AMD Fusion GPU power regulation
• Multiphase switching controller systems

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized channels as this part is officially End-of-Life (EOL). Check Product Change Notices for manufacturing updates or label changes. Confirm RoHS3 compliance status and moisture sensitivity level (MSL 3) requirements during storage and handling. Ensure replacement strategies account for the discontinued status.

Special Purpose Regulators Selection Notes

Select this controller specifically for designs requiring compatibility with AMD Fusion SVI 2.0 interfaces. Verify that the 48-QFN package fits the PCB layout constraints. Consider the operating temperature range limits for the target environment. Evaluate the input voltage requirements against the system's power supply rails to ensure they fall within the 4.5V to 25V specification.

Special Purpose Regulators Part Context

This component belongs to the ISL62773 series of switching controllers manufactured by Renesas Electronics Corporation. It is categorized under PMIC special purpose regulators. The series is tailored for high-performance mobile computing applications, specifically targeting the power delivery needs of integrated CPU and GPU architectures found in AMD Fusion platforms.

Special Purpose Regulators Replacement Considerations

The ISL62773AIRZ is marked as obsolete. No specific public substitute part numbers are confirmed in the provided documentation. Designers must evaluate alternative components based on pin compatibility, SVI 2.0 protocol support, and electrical specifications.