CS51311GD14

Special Purpose Regulators Overview

The CS51311GD14 is a synchronous dual N-channel MOSFET buck regulator controller designed for powering core logic in high-performance CPUs. It utilizes V2 control topology to achieve fast transient response and precise regulation. Key electrical specifications include a 5-bit DAC with 1.2% tolerance, gate rise and fall times of 40 ns under a 3.3 nF load, and an adaptive FET non-overlap time of 65 ns. The device incorporates hiccup mode overcurrent protection and provides power good output monitoring.

Special Purpose Regulators Feature Summary

• Implements V2 control topology for rapid transient response and optimal voltage regulation
• Features integrated hiccup mode overcurrent protection for system safety
• Provides adaptive voltage positioning and power good output monitoring

Special Purpose Regulators Applications

• Powering core logic of high-performance CPUs
• Synchronous switching regulator designs for 12V and 5.0V applications

Special Purpose Regulators Procurement Notes

Verify the specific suffix GD14 against official onsemi documentation to confirm package type and tape-and-reel configuration. Ensure compatibility with existing PCB footprints for the SOIC-14 package. Confirm that the component meets all required automotive or industrial qualification standards if applicable to the end product design.

Special Purpose Regulators Selection Notes

Select this controller when designing synchronous buck converters for CPU cores requiring fast transient response. The V2 control method is suitable for minimizing output capacitance while maintaining stability. Consider the 40 ns gate drive speed for efficient high-frequency operation and reduced switching losses in dual N-channel configurations.

Special Purpose Regulators Part Context

This component belongs to the CS51311 series of synchronous CPU buck controllers. It is part of onsemi's portfolio aimed at providing highly integrated solutions for processor power management. The series focuses on minimizing external component count and solution size while ensuring robust protection features for sensitive digital loads.

Special Purpose Regulators Replacement Considerations

The CS51311GDR14 is listed as a similar variant within the same functional family. Verify pinout compatibility and electrical parameter alignment before substitution. Cross-reference with the manufacturer's latest replacement guide to ensure no functional differences exist between the GD14 and alternative suffixes.