ADP3191JRQZ-RL

Special Purpose Regulators Overview

The ADP3191JRQZ-RL is a special purpose regulator IC designed as a switching controller for Intel VRM applications. It supports selectable 2-, 3-, or 4-phase synchronous buck operation with up to 1 MHz per phase frequency. The device features voltage-mode control and achieves a worst-case differential sensing error of ±14.5 mV over temperature. It provides four adjustable output voltages, optimized for high-performance computing and data center power distribution.

Special Purpose Regulators Feature Summary

• Supports configurable multi-phase synchronous buck topology
• Integrated high-accuracy differential current sensing
• Provides multiple independent adjustable output rails

Special Purpose Regulators Applications

• Intel VRM voltage regulation modules
• High-performance computing systems
• Data center power distribution networks

Special Purpose Regulators Procurement Notes

Verify the specific suffix JRQZ-RL against the manufacturer's official datasheet to confirm pinout and electrical characteristics. Ensure compatibility with required thermal management solutions for the PDSO28 package. Confirm that the selected variant meets all AEC-Q100 or industrial grade requirements if applicable to the target system environment.

Special Purpose Regulators Selection Notes

Select this component when designing multiphase synchronous buck converters requiring precise current sharing and low sensing error. It is suitable for applications needing multiple regulated outputs from a single controller architecture. Evaluate the maximum switching frequency and phase count requirements against the controller's capabilities before finalizing the design.

Special Purpose Regulators Part Context

This part belongs to Analog Devices' special purpose regulators family, specifically engineered for server and workstation power architectures. It serves as a core controller in complex voltage regulation topologies, replacing discrete logic solutions with integrated multiphase control capabilities for improved efficiency and board space utilization.

Special Purpose Regulators Replacement Considerations

Consult the official Analog Devices cross-reference guide for verified substitutes. Ensure any replacement maintains identical phase configuration support and sensing accuracy specifications.