NCP81272TMNTXG

$0.30

Description：NCP81272 - COMPACT 2-PHASE SYNCH
Series：*
Mfr：onsemi
Package：Bulk

SKU:68f6211962c3 Category: DC DC Switching Controllers Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：NCP81272 - COMPACT 2-PHASE SYNCH
Series：*
Mfr：onsemi
Package：Bulk
Output Type：-
Function：-
Output Configuration：-
Topology：-
Number of Outputs：-
Output Phases：-
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Frequency - Switching：-
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Synchronous Rectifier：-
Clock Sync：-
Serial Interfaces：-
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Operating Temperature：-
Mounting Type：-
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Supplier Device Package：-
Grade：-
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NCP81272TMNTXG

Overview

The NCP81272TMNTXG is a compact synchronous buck controller from onsemi, designed for high-efficiency power conversion. It operates as a two-phase DC-DC switching controller with a fixed frequency topology. The device supports input voltages typically ranging from 4.5V to 20V and delivers adjustable output voltages down to low levels suitable for modern processors. It features integrated drivers for external N-channel MOSFETs, enabling a small solution footprint. Key electrical characteristics include a switching frequency range of 200 kHz to 1 MHz, ensuring compatibility with various inductor values while maintaining transient response capabilities.

Feature Summary

Compact two-phase synchronous buck control architecture optimized for space-constrained designs
Integrated high-side and low-side gate drivers supporting external N-channel MOSFETs
Fixed switching frequency operation simplifying filter component selection and EMI management
Built-in protection mechanisms including over-current, over-voltage, and thermal shutdown

Applications

Central processing unit (CPU) core voltage regulation
Graphics processing unit (GPU) power delivery systems
Server and workstation mainboard VRM designs
High-density point-of-load (POL) converters

Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging configuration when ordering. Confirm RoHS compliance status through the latest manufacturer datasheet or material declaration document. Ensure the selected distributor provides traceability documentation required for industrial or automotive grade applications if applicable. Cross-reference the full part number against official obsolescence notices to confirm current production status.

Selection Notes

Select this controller for applications requiring a balance between performance and board area efficiency. The two-phase design reduces input ripple current compared to single-phase solutions without increasing component count significantly. Evaluate the thermal performance of the QFN package based on the expected load current and ambient conditions. Ensure the external MOSFETs selected match the driver voltage levels and current handling capabilities specified in the technical data.

Part Context

This component belongs to the NCP8127x series of synchronous buck controllers from onsemi. The series targets high-performance computing platforms where power density and transient response are critical. The NCP81272 variant specifically offers a two-phase configuration, distinguishing it from single-phase or multi-phase counterparts within the same family. It utilizes a standard QFN package to facilitate surface-mount assembly in automated manufacturing processes.