ISL88550AIRZ-T7

Power Supply Controllers, Monitors Overview

The ISL88550AIRZ-T7 is an integrated DDR power controller manufactured by Renesas Electronics Corporation. It operates as a synchronous buck converter with a single output, supporting input voltages from 2 V to 25 V and delivering up to 15 A of output current at a minimum voltage of 700 mV. The device features an adjustable switching frequency range between 200 kHz and 600 kHz. It is housed in a 28-lead TQFN package (5x5 mm) and functions within a temperature range of -40°C to +85°C.

Power Supply Controllers, Monitors Feature Summary

• Integrated DDR power controller designed for high-current applications
• Synchronous buck topology with wide input voltage support
• Adjustable switching frequency for efficiency optimization

Power Supply Controllers, Monitors Applications

• DDR memory power supply systems
• High-performance computing platforms
• Server and workstation power architectures

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance and moisture sensitivity level requirements during storage and handling. Check for valid datasheet revisions and ensure compatibility with existing PCB footprints before integration into new designs.

Power Supply Controllers, Monitors Selection Notes

Evaluate thermal performance under maximum load conditions given the 15 A capability. Ensure input voltage stability within the 2 V to 25 V range. Consider the 28-TQFN package size for space-constrained layouts. Verify that the required output voltage meets the minimum 700 mV specification.

Power Supply Controllers, Monitors Part Context

This component belongs to the ISL88550 series of power management ICs. It is specifically engineered for powering complex digital loads requiring precise voltage regulation and high transient response capabilities typical in modern memory subsystems.

Power Supply Controllers, Monitors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the End-of-Life status, alternative components must be selected based on functional equivalence and verified through independent engineering validation.