MAX8720EEI+

Overview

The MAX8720EEI+ is a switching controller featuring a dynamically adjustable 6-bit VID step-down topology. It operates with a single output and supports a switching frequency range of 200 kHz to 1 MHz. The device provides an output voltage range from 275 mV to 1.85 V and handles up to 4 A of output current. It functions within a temperature range of -40°C to +85°C and utilizes a QSOP-28 surface-mount package.

Feature Summary

• Integrates a buck converter topology for efficient DC-DC conversion
• Supports dynamic adjustment via a 6-bit VID interface
• Features programmable switching frequency control

Applications

• Notebook CPU core power supplies
• Mobile Voltage Positioning (IMVP) systems
• General-purpose low-voltage step-down applications

Procurement Notes

Verify component authenticity through authorized channels due to limited availability status. Confirm the specific suffix matches the required package variant. Check for obsolescence notices or discontinuation updates from Analog Devices prior to finalizing procurement plans.

Selection Notes

Evaluate compatibility with the target processor's VID command set requirements. Ensure the external inductor and capacitor values support the specified 4 A output current capability. Verify that the chosen switching frequency aligns with thermal management constraints within the operating temperature range.

Part Context

This component belongs to the MAX8720 series of power management integrated circuits designed by Maxim Integrated, now part of Analog Devices. It is categorized under PMIC switching controllers intended for high-performance computing applications requiring precise voltage regulation.

Replacement Considerations

Public confirmed substitute part numbers are not available.