NCP5393MNR2G

Overview

The NCP5393MNR2G is a multi-phase controller designed for CPU core voltage regulation. It supports 2, 3, or 4-phase configurations to deliver high current to processors. The device integrates essential control logic for synchronous rectification and dynamic phase shedding. It features programmable output voltage via an external resistor divider and includes protection mechanisms such as over-current, over-voltage, and thermal shutdown. The component operates with a wide input voltage range suitable for server and workstation power supplies.

Feature Summary

• Supports configurable 2, 3, or 4-phase operation for flexible CPU power delivery
• Integrates digital control loop for precise voltage regulation and transient response
• Includes built-in protection features for system reliability and fault management

Applications

• CPU core voltage regulation in servers
• Processor power stages in workstations
• High-performance computing platforms requiring multi-phase power

Procurement Notes

Verify the specific suffix MNR2G indicates tape and reel packaging when sourcing. Confirm the manufacturer is ON Semiconductor. Check the datasheet revision date to ensure compatibility with current design requirements. Validate that the part number matches the exact electrical specifications needed for the target application.

Selection Notes

Select this controller for applications requiring scalable phase counts up to four. Ensure the design supports the required input voltage range and output current capabilities. Consider the need for external gate drivers if not integrated. Verify thermal management requirements for the operating environment.

Part Context

This component belongs to ON Semiconductor's family of multi-phase controllers for CPU applications. It is related to models like NCP5392 and NCP5387 which offer similar functionality. The NCP5393 series is optimized for high-efficiency power conversion in demanding computing environments.

Replacement Considerations

Direct substitutes include NCP5393A and NCP5393B. These variants share the same functional description but may have different revision dates or minor parameter updates. Verify pinout and electrical characteristics before substitution.