ON Semiconductor NCP5381AMNR2G Product Overview

The NCP5381AMNR2G from ON Semiconductor is a high-performance, dual-edge pulse-width modulation (PWM) controller designed for precision voltage regulation in demanding computing applications. This advanced controller is particularly suited for multi-phase power supplies, delivering efficient and stable power to processors, memory, and graphics cards in desktops, workstations, and servers.

Key Features

• Dual-Edge PWM: The NCP5381AMNR2G utilizes a dual-edge modulation scheme that helps to achieve fast transient response and improved system stability, ensuring that the connected components receive a consistent power supply without fluctuations.
• Multi-Phase Operation: This controller supports multi-phase operation, which distributes the power load across multiple phases, reducing stress on individual components and enhancing overall power efficiency.
• High Precision Control: With its integrated precision resistive voltage sensing and differential remote voltage sensing, the NCP5381AMNR2G ensures tight voltage regulation and accurate control over the output voltage.
• Adaptive Voltage Positioning (AVP): The controller's AVP feature automatically adjusts the output voltage as a function of the load current, optimizing the performance for various operating conditions.
• Overcurrent Protection: Built-in overcurrent protection safeguards the system from potential damage due to excessive current, enhancing the reliability and longevity of the power supply and its connected components.

Applications

The NCP5381AMNR2G is ideal for a wide range of high-performance computing applications where accurate and efficient voltage regulation is crucial. These include:

• Desktop and Workstation CPUs
• High-End Graphics Cards
• Advanced Server Systems
• Memory Modules and VRMs

Package and Availability

The controller is offered in a compact QFN-48 package, which allows for a smaller footprint on the PCB and easier integration into space-constrained designs. Its efficient thermal performance ensures that the device operates reliably even under high load conditions. The NCP5381AMNR2G is available through ON Semiconductor's distribution network, making it accessible for manufacturers and designers looking to enhance their power management solutions.