ADP3186JRUZ-REEL-AD

Special Purpose Regulators Overview

The ADP3186JRUZ-REEL-AD is a multiphase synchronous buck switching regulator controller manufactured by Analog Devices Inc. It is designed for high-efficiency conversion of 12 V main supplies into core supply voltages for processors such as AMD Opteron. The device operates in the -40°C to +125°C temperature range and features a 28-lead TSSOP package. Key electrical specifications include a switching frequency up to 400 kHz per phase, with support for 2, 3, or 4-phase configurations. It incorporates active current balancing and programmable short-circuit protection.

Special Purpose Regulators Feature Summary

• Multiphase synchronous buck control optimized for processor voltage regulation
• Active current balancing across all output phases
• Programmable short-circuit protection with latch-off delay
• Logic-level PWM outputs for external driver interface

Special Purpose Regulators Applications

• AMD Opteron Voltage Regulator Modules (VRMs)
• Desktop PC power supplies for high-performance processors
• Multi-phase synchronous buck converter designs

Special Purpose Regulators Procurement Notes

Verify the exact suffix and manufacturer part number against official Analog Devices documentation to ensure compatibility. Confirm RoHS compliance status and lead-free certification through the manufacturer's datasheet. Check for any specific ordering suffixes that may indicate package variations or temperature ranges. Ensure the component matches the required pinout and electrical characteristics for your target application.

Special Purpose Regulators Selection Notes

Select this controller for applications requiring efficient multi-phase power delivery to high-current processors. Consider the 28-lead TSSOP package size and operating temperature range when designing the PCB layout. Evaluate the need for active current balancing and programmable protection features based on system reliability requirements. Ensure the external MOSFETs are compatible with the logic-level PWM outputs.

Special Purpose Regulators Part Context

The ADP3186 is part of Analog Devices' family of multiphase synchronous buck controllers. It is specifically optimized for converting 12 V inputs to lower core voltages for Intel and AMD processors. The JRUZ suffix indicates a Pb-free 28-lead TSSOP package. The REEL designation refers to the tape and reel packaging format used for automated assembly.

Special Purpose Regulators Replacement Considerations

The ADP3180 and ADP3181 are related controllers from the same product family. Verify pin compatibility and feature set differences before substitution. The ADP3181 supports 5-bit or 6-bit VID programming, while the ADP3186 is tailored for AMD Opteron platforms. Consult official cross-reference guides for confirmed substitutes.