CS5157HGD16G

Special Purpose Regulators Overview

The CS5157HGD16G is a 5-bit synchronous dual N-channel buck controller designed for high-density, high-speed logic applications. It features a proprietary V2 control method enabling a 100ns load transient response time. The device operates within a 4.25V to 20V input range and supports an output voltage range of 1.30V to 3.50V via an onboard 5-bit DAC. Key specifications include operation frequencies exceeding 1MHz, gate rise/fall times of 30ns, and 1% output tolerance. It integrates short circuit protection, overvoltage protection, programmable soft start, and remote sensing capabilities in a 16-SOIC package.

Special Purpose Regulators Feature Summary

• Proprietary V2 control topology for rapid load transient response
• Onboard 5-bit digital-to-analog converter for precise voltage programming
• Integrated protection mechanisms including short circuit and overvoltage detection
• Dual N-channel design supporting high-frequency synchronous switching

Special Purpose Regulators Applications

• Powering Intel Pentium II processors
• High-performance core logic supply regulation
• Server and computer system power management
• High-density embedded application voltage conversion

Special Purpose Regulators Procurement Notes

Verify the specific suffix 'GD16G' against official onsemi documentation to confirm package type and RoHS compliance status. Ensure the component matches the 16-SOIC physical dimensions and pinout configuration required by the target PCB layout. Cross-reference the manufacturer part number with current datasheet revisions to validate active status and any potential obsolescence notices prior to final procurement decisions.

Special Purpose Regulators Selection Notes

Select this controller when designing systems requiring fast transient response for high-speed logic cores. The integrated 5-bit DAC simplifies voltage adjustment compared to analog resistor networks. Consider the 4.25V to 20V operating range for compatibility with standard 5V or 12V system rails. Evaluate thermal performance requirements given the high-frequency operation and ensure adequate heat dissipation for the SOIC package in dense layouts.

Special Purpose Regulators Part Context

This component belongs to the family of specialized CPU voltage regulators developed for legacy high-performance computing architectures. It serves as a dedicated solution for powering complex processor cores that demand strict voltage accuracy and rapid dynamic response. The design reflects industry needs for simplified power delivery networks in server and workstation environments during the transition to advanced microprocessor generations.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.