ADP3189JCPZ-RL

Special Purpose Regulators Overview

The ADP3189JCPZ-RL is an 8-bit programmable multi-phase synchronous buck switching regulator controller designed for high-efficiency power conversion. It converts a 12 V main supply into core supply voltages ranging from 500 mV to 1.6 V. The device supports selectable 2-, 3-, 4-, or 5-phase operation with frequencies up to 1 MHz per phase. It features ±7.7 mV worst-case differential sensing error over temperature and operates within a commercial temperature range of 0°C to +85°C in an LFCSP package.

Special Purpose Regulators Feature Summary

• Supports selectable 2, 3, 4, or 5-phase synchronous buck operation
• Optimized for converting 12 V input to low-voltage core supplies
• Provides precise voltage regulation with low differential sensing error

Special Purpose Regulators Applications

• Intel VRD/VRM core voltage regulation
• Multi-phase CPU power delivery systems
• High-density server power architectures

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized channels as the part may be obsolete. Confirm package integrity and RoHS compliance status prior to integration. Cross-reference datasheet revisions to ensure compatibility with current design requirements. Validate thermal performance under actual load conditions before finalizing procurement decisions.

Special Purpose Regulators Selection Notes

Select this controller when designing multi-phase buck converters requiring precise digital control and low output voltage regulation. Ensure the application demands support for up to five phases and operates within the specified 12 V input range. Verify that the required output voltage falls between 500 mV and 1.6 V. Consider thermal management capabilities given the LFCSP package constraints.

Special Purpose Regulators Part Context

This component belongs to Analog Devices' family of multi-phase synchronous buck controllers. It is engineered for demanding processor power applications where efficiency and transient response are critical. The device integrates advanced control algorithms to manage multiple phases simultaneously, ensuring balanced current sharing and stable output voltage under varying load conditions.

Special Purpose Regulators Replacement Considerations

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