NCP81538MNTXG

Overview

The NCP81538MNTXG is a switching controller designed for IMVP9.2 applications, featuring a 4+1 phase configuration. It operates with an input voltage range of 4.75 V to 5.25 V and supports non-isolated buck topology. The device is housed in a QFN-52 package suitable for surface mount installation. It functions within a temperature range of -10°C to +125°C, with rise and fall times specified at 110 ns and 20 ns respectively.

Feature Summary

• Supports IMVP9.2 protocol for high-performance processor power management
• Configurable 4+1 phase output architecture for flexible current delivery
• Integrated shutdown capability for system power control

Applications

• Processor core voltage regulation for IMVP9.2 compatible CPUs
• Multi-phase DC-DC conversion in server platforms
• High-density power supply designs requiring precise voltage tracking

Procurement Notes

Verify the specific suffix 'MNTXG' against the manufacturer's official datasheet to confirm pinout and thermal pad specifications. Ensure compatibility with IMVP9.2 signaling requirements before integration. Confirm RoHS compliance status through the latest environmental declaration documents provided by onsemi.

Selection Notes

Select this component when designing for IMVP9.2 processors requiring a 4+1 phase solution. The QFN-52 package offers a compact footprint suitable for dense PCB layouts. Verify that the 4.75 V to 5.25 V input range aligns with the system's available power rails and that the operating temperature range meets the environmental constraints of the target application.

Part Context

This part belongs to the NCP81538 series from onsemi, categorized under PMIC switching controllers. It is positioned as a new product within the manufacturer's portfolio, targeting advanced computing applications. The series focuses on delivering efficient power conversion for modern high-pin-count processors.

Replacement Considerations

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