ISL88550AIRZ-T

Power Supply Controllers, Monitors Overview

The ISL88550AIRZ-T is a single-output integrated DDR power controller manufactured by Renesas Electronics Corporation. It utilizes a buck topology to regulate voltage with an input range of 2V to 25V and a supply voltage of 4.5V to 5.5V. The device delivers up to 15A output current at a minimum output voltage of 700mV. Operating frequencies are adjustable between 200kHz and 600kHz. It features a 28-WFQFN (5x5mm) package with an exposed pad, supports surface mount installation, and operates within a temperature range of -40°C to +85°C.

Power Supply Controllers, Monitors Feature Summary

• Integrated DDR power controller designed for synchronous buck conversion
• Supports wide input voltage range from 2V to 25V
• Capable of delivering high output current up to 15A
• Features adjustable switching frequency for optimized efficiency

Power Supply Controllers, Monitors Applications

• DDR memory power supplies
• Single-phase synchronous buck converters
• Portable computing devices requiring low voltage regulation

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized channels as the part status is End-of-Life. Confirm package integrity and moisture sensitivity level handling procedures prior to assembly. Cross-reference datasheet revisions to ensure compatibility with existing design specifications. Check for available alternative components due to discontinuation status.

Power Supply Controllers, Monitors Selection Notes

Select this component for applications requiring a single-phase buck solution with high current capability. Ensure the design accommodates the 28-WFQFN thermal requirements. Verify that the required output voltage falls within the 700mV minimum limit. Confirm operating frequency settings align with inductor selection criteria for the target application bandwidth.

Power Supply Controllers, Monitors Part Context

This component belongs to the ISL88550 series of integrated power controllers. It is specifically engineered for powering dynamic random-access memory (DDR) modules in computer systems. The series focuses on providing efficient voltage regulation with compact footprint solutions suitable for modern portable electronics.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.