ADP3155JRU-REEL

Overview

The ADP3155JRU-REEL is a specialized power management integrated circuit manufactured by Analog Devices Inc. It functions as a controller designed for Intel Pentium IV processors, supporting multi-phase voltage regulation architectures. The device operates with input voltages of 5V and 12V to generate regulated output voltages ranging from 1.1V to 1.85V. Packaged in a 20-TSSOP surface-mount housing, this component is engineered to meet the stringent transient response and efficiency requirements of high-performance computing platforms.

Feature Summary

• Integrated control architecture optimized for Intel Pentium IV processor power delivery systems
• Supports multi-phase buck converter topologies for enhanced current handling and thermal distribution
• Capable of generating low-voltage outputs suitable for core logic supply rails

Applications

• Intel Pentium IV processor voltage regulation modules
• Multi-phase DC-to-DC step-down converter designs
• High-performance computer motherboard power subsystems

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to discontinued status. Confirm package integrity and pin alignment against the 20-TSSOP specification before integration. Review the official datasheet for specific operating conditions and thermal management guidelines to ensure reliable system performance.

Selection Notes

Select this component specifically for legacy Intel Pentium IV platform designs requiring dedicated multi-phase control. Evaluate compatibility with existing inductor values and feedback network configurations. Consider the discontinued status when planning long-term production runs or maintenance cycles for existing hardware infrastructure.

Part Context

This part belongs to the Analog Devices PMIC portfolio focused on CPU voltage regulation. It utilizes advanced switching control techniques to manage power delivery efficiently. The 20-TSSOP package facilitates compact PCB layout while maintaining necessary thermal dissipation characteristics for continuous operation under load.

Replacement Considerations

Public confirmed substitute part numbers are not available for this discontinued component.