ADP3161JR

DC DC Switching Controllers Overview

The ADP3161JR is a 4-bit programmable 2-phase synchronous buck controller manufactured by Analog Devices Inc. It utilizes ADOPT technology for superior load transient response and active current balancing between output phases. The device features a maximum switching frequency of 2MHz and supports a maximum duty cycle of 50%. It is designed to interface with external high-power drivers via dual logic-level PWM outputs, ensuring efficient power conversion for processor core supplies.

DC DC Switching Controllers Feature Summary

• Implements ADOPT Optimal Positioning Technology for enhanced load transient response
• Provides active current balancing between both output phases
• Features dual logic-level PWM outputs for external driver interfacing
• Supports 4-bit digitally programmable output voltage settings

DC DC Switching Controllers Applications

• Desktop PC power supplies for Intel Tualatin processors
• VRM modules requiring low system cost
• High-performance processor core voltage regulation

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'JR' corresponds to the SOIC-16 package variant when sourcing. Confirm that the component meets RoHS compliance standards as indicated in available documentation. Ensure the supplier provides original manufacturer packaging to guarantee authenticity. Cross-reference the part number with official Analog Devices databases to avoid counterfeit components.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring precise multi-phase synchronization and minimal output capacitance. It is suitable for designs needing direct VID code reading capabilities or flexible voltage programming. Consider the 2MHz switching frequency for compact passive component sizing. Evaluate thermal performance requirements given the synchronous buck topology.

DC DC Switching Controllers Part Context

This component belongs to the ADP316x series of synchronous buck controllers from Analog Devices. It shares architectural similarities with the ADP3162 but offers 4-bit programmability instead of 5-bit. The series is optimized for converting main supply voltages into processor core supplies, emphasizing efficiency and transient response.

DC DC Switching Controllers Replacement Considerations

The ADP3162 is a related 5-bit programmable variant within the same family. Verify compatibility if upgrading from 4-bit to 5-bit control schemes. No other direct substitutes are confirmed in public documentation.