The NCP81101B from ON Semiconductor is a high-performance voltage mode 8+2 phase buck controller designed to meet the rigorous power supply specifications of high-end desktops, servers, and gaming consoles. This advanced controller is engineered to provide precise voltage regulation, improved transient response, and enhanced power efficiency for multi-phase power systems.

Key Features

• Multi-Phase Power Design: Supports an 8+2 phase configuration, enabling efficient power distribution and improved thermal performance for high-current applications.
• Enhanced Voltage Regulation: Utilizes voltage mode control with input voltage feed-forward to maintain stable output voltage, ensuring the reliable operation of critical system components.
• Adaptive Voltage Positioning (AVP): Optimizes transient response and minimizes output voltage deviation during load changes, which is crucial for maintaining system stability.
• Differential Remote Voltage Sensing: Provides accurate voltage feedback by compensating for IR drops in the power path, enhancing the precision of voltage delivery to the load.
• Programmable Frequency: Allows customization of the switching frequency from 300 kHz to 1.2 MHz per phase, providing flexibility to optimize for efficiency or component size.
• Integrated Drivers: Includes high-performance integrated drivers for the control of high-side and low-side MOSFETs, reducing external component count and simplifying the design.

Applications

The NCP81101B is ideal for powering high-performance CPUs, GPUs, and DDR memory in systems where efficiency, reliability, and high current capability are paramount. Its advanced features make it an excellent choice for the following applications:

• Desktop and Workstation Motherboards
• High-Performance Servers
• Gaming Consoles
• High-End Graphics Cards

Quality and Reliability

ON Semiconductor is committed to providing high-quality and reliable products. The NCP81101B is manufactured under stringent quality control processes, ensuring it meets the industry standards for performance and longevity. With the backing of ON Semiconductor's expertise in power management solutions, the NCP81101B is a trustworthy and efficient solution for advanced power supply systems.