NCP81105MNTXG

Overview

The NCP81105MNTXG is a single-output switching controller designed for Intel VR12.5 and VR12.6 voltage regulator applications. It operates within a QFN-36 package and supports output voltages ranging from 0 V to 2.3 V with a maximum output current of 14 A. The device utilizes a buck topology and features an adjustable switching frequency between 500 kHz and 1.2 MHz. It includes shutdown functionality and is rated for operating temperatures from -10°C to +100°C.

Feature Summary

• Supports Intel VR12.5 and VR12.6 specifications for microprocessor power management
• Single-phase buck converter architecture for efficient voltage regulation
• Integrated shutdown control for power management flexibility

Applications

• Intel-based microprocessor power supply designs
• Single-phase voltage regulator modules (VRMs)
• High-performance computing systems requiring VR12.5/VR12.6 compliance

Procurement Notes

Verify component authenticity through authorized onsemi distributors or certified partners. Confirm the specific suffix matches the required package and tape/reel configuration. Check for recent product discontinuance notifications as availability may be limited. Ensure storage conditions comply with moisture sensitivity level requirements before soldering.

Selection Notes

Select this controller for applications requiring strict adherence to Intel VR12.5 or VR12.6 standards. It is suitable for single-phase loads up to 14 A. Consider thermal performance and PCB layout constraints associated with the QFN-36 package. Verify compatibility with external MOSFETs and passive components for the target switching frequency range.

Part Context

This component belongs to onsemi's portfolio of specialized power management integrated circuits aimed at high-performance computing. It falls under the category of switching controllers specifically optimized for processor core voltage regulation. The series addresses the demand for efficient, compact power solutions in modern electronic devices.

Replacement Considerations

Check for direct pin-compatible alternatives within the NCP811xx series. Verify if newer revisions offer improved efficiency or extended lifecycle status. Evaluate cross-reference options from other manufacturers only if they meet identical electrical and mechanical specifications.