NCP81273MNTXG

$0.48

Description：NCP81273 - 2-PHASE SYNCHRONOUS B
Series：*
Mfr：onsemi
Package：Bulk

SKU:defe752aae88 Category: DC DC Switching Controllers Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：NCP81273 - 2-PHASE SYNCHRONOUS B
Series：*
Mfr：onsemi
Package：Bulk
Output Type：-
Function：-
Output Configuration：-
Topology：-
Number of Outputs：-
Output Phases：-
Voltage - Supply (Vcc/Vdd)：-
Frequency - Switching：-
Duty Cycle (Max)：-
Synchronous Rectifier：-
Clock Sync：-
Serial Interfaces：-
Control Features：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Grade：-
Qualification：-

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NCP81273MNTXG

Overview

The NCP81273MNTXG is a two-phase synchronous buck controller from onsemi, designed for next-generation computing processors. It integrates a 12 V gate driver and operates within a QFN-24 package to provide a compact power management solution. The device supports PWM VID interfaces for dynamic voltage adjustment. Key electrical parameters include an operating temperature range of -40°C to +105°C and a supply voltage range of 4.5V to 20V. It features integrated current limit, enable, frequency control, power good, slope compensation, and soft-start functionalities.

Feature Summary

Integrates a 12 V gate driver with the controller in a single compact QFN-24 package
Supports PWM VID interface for precise processor core voltage regulation
Provides comprehensive protection and control features including soft-start and slope compensation

Applications

Next-generation computing processor power supplies
Compact server and workstation VRM designs
High-density point-of-load conversion systems

Procurement Notes

Verify the specific ordering suffix and tape/reel specifications against the official manufacturer datasheet before procurement. Confirm that the QFN-24 package dimensions and thermal pad requirements match your PCB layout constraints. Ensure compatibility with the intended PWM VID protocol version used by the target processor. Check for any recent product change notifications regarding material composition or manufacturing site changes.

Selection Notes

Select this component when a small form factor is critical for high-current computing applications. The integrated 12 V gate driver reduces external component count compared to discrete solutions. Ensure the design utilizes the supported PWM VID interface for optimal performance. Verify that the input voltage range aligns with the system's available power rails. Consider the thermal performance of the QFN-24 package in the final enclosure design.

Part Context

This part belongs to the NCP8127x series of specialized PMICs from onsemi, targeting high-performance computing markets. It complements other multi-phase controllers like the NCP81276 by offering a simplified two-phase solution. The series emphasizes integration and size reduction for modern low-voltage, high-current processor loads.

Replacement Considerations

Direct substitutes may include other two-phase synchronous buck controllers from onsemi such as the NCP81223, though pinouts and feature sets must be verified. Cross-reference with similar offerings from other manufacturers only if electrical parameters and interface protocols are identical.