MAX1773AEUP

Overview

The MAX1773AEUP is a synchronous step-down DC/DC controller manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates from an input voltage range of 2.65V to 8.5V and delivers up to 6A of output current. The device features a fixed switching frequency of 550kHz and supports output voltages from 800mV to 8.5V. Packaged in a 10-lead MSOP, it includes shutdown functionality and low quiescent current characteristics suitable for portable applications.

Feature Summary

• Synchronous buck topology for high efficiency
• Integrated power MOSFETs for compact design
• Fixed 550kHz switching frequency
• Shutdown pin for power management

Applications

• Portable electronics power supplies
• Battery-powered devices
• General-purpose point-of-load regulation

Procurement Notes

Verify the exact suffix against official documentation, as variations may indicate temperature range or packaging differences. Confirm availability status through authorized distributors, as lead times and stock levels fluctuate. Ensure the component matches the required pinout and electrical specifications for your specific circuit design before procurement.

Selection Notes

Select this controller when a compact, efficient solution is needed for converting battery voltages to lower logic levels. Consider the 550kHz frequency for balancing size and efficiency. Verify that the input voltage range aligns with your source supply and that the 6A current capability meets peak load requirements without excessive thermal dissipation.

Part Context

This component belongs to the Maxim Integrated family of synchronous step-down controllers. It is designed for applications requiring high efficiency and small footprint. The MAX1773 series typically integrates power switches to reduce external component count compared to non-synchronous alternatives.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.