MAX1820ZEUB

Overview

The MAX1820ZEUB is a switching voltage regulator designed for WCDMA applications, functioning as a 600mA buck converter. It operates within an input voltage range of 2.6V to 5.5V and provides an adjustable output voltage from 400mV to 3.4V. The device utilizes a 1MHz switching frequency and features current-mode control. Packaged in a UMAX-10 surface-mount case, it supports operation across a temperature range of -40°C to +85°C.

Feature Summary

• Integrated 600mA power switch for compact design
• Current-mode control architecture for fast transient response
• Adjustable output voltage capability via external resistors
• Shutdown pin for enhanced power management

Applications

• WCDMA base station power supplies
• Portable communication devices
• Embedded system voltage regulation
• Battery-powered equipment

Procurement Notes

Verify the specific suffix 'Z' against official Analog Devices documentation to confirm package type and lead-free status. Ensure the component matches the required UMAX-10 footprint and electrical specifications for your circuit design before procurement.

Selection Notes

Select this component when a compact, high-efficiency buck regulator is needed for WCDMA or similar RF applications. Consider the 600mA output limit and 1MHz switching frequency requirements. Verify compatibility with the target input voltage range and thermal constraints of the application environment.

Part Context

This part belongs to the MAX1820 series of switching regulators from Maxim Integrated, now part of Analog Devices. It is specifically optimized for wireless communication standards like WCDMA, offering a balance of efficiency and size suitable for space-constrained mobile and infrastructure hardware.

Replacement Considerations

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