CS5161GD16

Special Purpose Regulators Overview

The CS5161GD16 is a CPU synchronous buck controller designed for Intel Pentium III voltage regulation. It features a 5-bit digital interface and supports dual N-channel configurations. The device operates with an input voltage range of 4.25V to 16V and provides one output channel. It includes integrated short circuit protection, a VCC monitor, and programmable soft-start capabilities. The component is housed in a 16-SOIC package and functions within a junction temperature range of 0°C to 150°C.

Special Purpose Regulators Feature Summary

• Integrated 5-bit DAC for precise control
• Built-in short circuit protection mechanism
• Programmable soft-start functionality
• Onboard VCC monitoring capability

Special Purpose Regulators Applications

• Intel Pentium III Voltage Regulator IC applications
• High-density logic power supply designs
• Synchronous buck converter implementations

Special Purpose Regulators Procurement Notes

Verify the specific suffix GD16 against official onsemi documentation to confirm pinout and electrical specifications. Ensure compatibility with target motherboard architectures requiring Pentium III regulation. Check current availability status as distribution may vary. Confirm RoHS compliance requirements match project standards before finalizing procurement orders.

Special Purpose Regulators Selection Notes

Select this controller for systems requiring synchronized dual N-channel buck regulation with digital feedback. The 5-bit resolution offers adequate precision for core voltage adjustments. Consider the 16-SOIC package constraints for PCB layout. Evaluate thermal management needs given the 150°C maximum junction temperature rating for reliable operation under load.

Special Purpose Regulators Part Context

This component belongs to onsemi's special purpose regulator family, specifically tailored for high-performance CPU power delivery. It complements other PMIC solutions by providing dedicated support for legacy processor architectures. The design focuses on transient response and stability for sensitive digital logic circuits.

Special Purpose Regulators Replacement Considerations

The CS5151GD16 serves as a related alternative for Pentium II applications. Verify functional equivalence regarding pinouts and control interfaces when substituting. Ensure the replacement meets the specific voltage and current requirements of the target system design.