NCP81246MNTXG

Overview

The NCP81246MNTXG is a three-rail multi-phase buck switching controller designed for IMVP8 compatible applications. It operates with an input voltage range of 4.75 V to 5.25 V and supports switching frequencies between 300 kHz and 750 kHz. The device features a QFN-52 package and functions within an industrial temperature range from -40 °C to +100 °C. It utilizes voltage mode control topology for efficient power management in complex processor supply architectures.

Feature Summary

• Implements voltage mode control for stable multi-phase regulation
• Designed for IMVP8 platform compatibility
• Supports three-rail output configuration

Applications

• IMVP8 compatible processor power supplies
• Multi-phase CPU core voltage regulation
• Industrial computing systems requiring robust power management

Procurement Notes

Verify the specific suffix and tape/reel specifications against the official onsemi datasheet before ordering. Confirm that the QFN-52 package dimensions match your PCB footprint requirements. Ensure the industrial temperature rating aligns with your system's operational environment constraints.

Selection Notes

Select this component when designing for IMVP8 standards requiring three distinct voltage rails. Consider the 300 kHz to 750 kHz frequency range for optimizing inductor size versus efficiency. Verify compatibility with the target processor's load line and transient response requirements.

Part Context

This part belongs to the NCP812xx series of switching controllers from onsemi, specialized for high-performance processor power delivery. It complements other variants like the NCP81243 and NCP81245 by offering specific rail configurations tailored for advanced computing platforms.

Replacement Considerations

NCP81245MNTXG