ADP3179JRU-REEL7

DC DC Switching Controllers Overview

The ADP3179JRU-REEL7 is a 4-bit programmable buck controller manufactured by Analog Devices Inc. It is designed for high-performance voltage regulation applications, specifically targeting Intel Pentium IV processor power supplies. The device operates within an input voltage range of 5V to 12V and provides an adjustable output voltage between 1.1V and 1.85V. It utilizes a 20-TSSOP package with a width of 4.40mm. This component functions as a switching regulator controller, offering precise control for multi-phase or single-phase DC-DC conversion systems requiring stable low-voltage outputs.

DC DC Switching Controllers Feature Summary

• Supports 4-bit programmability for flexible voltage configuration
• Optimized for Intel Pentium IV processor power supply requirements
• Operates with standard 5V and 12V input sources
• Provides regulated output in the 1.1V to 1.85V range

DC DC Switching Controllers Applications

• Intel Pentium IV processor voltage regulation
• Multi-phase DC-DC converter controllers
• High-performance computing power supplies
• Low-voltage core voltage generation systems

DC DC Switching Controllers Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to confirm packaging and reel specifications. Ensure compatibility with existing PCB footprints for the 20-TSSOP package. Cross-reference datasheet revisions to confirm pinout consistency. Confirm that the procurement source provides authentic components from authorized channels to avoid counterfeit risks associated with legacy PMIC parts.

DC DC Switching Controllers Selection Notes

Select this controller when designing power stages for legacy Intel Pentium IV architectures or compatible processors requiring specific 4-bit programmable buck control. Consider the 20-TSSOP package constraints during layout planning. Evaluate thermal management requirements based on the target load current and input voltage conditions. Verify that the external component selection aligns with the controller's switching frequency and feedback network requirements specified in the technical data.

DC DC Switching Controllers Part Context

This component belongs to the ADP31xx series of switching regulators from Analog Devices, tailored for CPU core voltage regulation. It serves as a specialized controller rather than a complete integrated circuit, requiring external power switches. The JRU-REEL7 designation indicates the specific tape and reel packaging format used for automated assembly processes in manufacturing environments.

DC DC Switching Controllers Replacement Considerations

Consult official Analog Devices substitution guides for direct equivalents. Legacy replacements may include other members of the ADP31xx family with similar pinouts and electrical characteristics. Verify functional compatibility regarding programming bits and output voltage ranges before integrating alternative components into the design.