NCP5331FTR2G

Overview

The NCP5331FTR2G is a two-phase synchronous buck controller designed for processor power management. It supports output voltages of 1.150 to 1.179V and 1.213 to 1.235V, with an input voltage range of 5V or 12V. The device delivers up to 52A at the lower voltage range and operates with high efficiency. It utilizes a buck topology and is optimized for applications such as the Athlon 64 processor.

Feature Summary

• Two-phase synchronous buck control architecture
• Optimized for processor core voltage regulation
• Supports multiple output voltage ranges

Applications

• Athlon 64 processor power solutions
• Multi-output DC-DC power supplies
• Processor voltage regulator modules

Procurement Notes

Verify component authenticity through authorized onsemi channels due to end-of-life status. Confirm RoHS compliance details via official documentation. Validate package integrity upon receipt. Ensure storage conditions meet manufacturer specifications to maintain reliability. Cross-reference ordering information with current distributor catalogs.

Selection Notes

Select this controller for legacy AMD processor designs requiring specific voltage rails. Evaluate thermal performance for 52A output requirements. Consider system compatibility with 5V or 12V input sources. Assess PCB layout constraints for two-phase operation. Verify support availability given the discontinued status.

Part Context

Part of onsemi's switching controller portfolio for power management integrated circuits. Designed specifically for high-current processor applications. Represents a specialized solution for multi-phase voltage regulation in computing platforms.

Replacement Considerations

No public confirmed substitute part numbers are available.