MAX8805ZEWEEE+

Overview

The MAX8805ZEWEEE+ is a PWM step-down converter manufactured by Analog Devices Inc./Maxim Integrated. It features a buck topology with a single output capable of delivering up to 600 mA or 650 mA. The device operates within an input voltage range of 2.7 V to 5.5 V and provides adjustable output voltages from 0.4 V to 5.5 V. It utilizes a 2 MHz switching frequency and functions reliably across an operating temperature range of -40°C to +85°C. The component is housed in a 16-WLP package, designed for surface-mount installation.

Feature Summary

• Integrates a high-frequency PWM step-down converter optimized for RF power amplifier applications
• Supports wide input voltage ranges suitable for single-cell battery systems
• Delivers precise current regulation for efficient power management

Applications

• WCDMA Power Amplifier (PA) power supply
• RF converter circuits
• Mobile handheld devices

Procurement Notes

Verify the exact suffix configuration against official datasheets to ensure compatibility with specific thermal and electrical requirements. Confirm availability status as this component may be discontinued or subject to limited supply constraints. Cross-reference manufacturer part numbers to avoid substitution errors during procurement.

Selection Notes

Select this component for designs requiring compact power solutions for RF amplifiers. Ensure the application demands a 2 MHz switching frequency and fits within the specified 2.7 V to 5.5 V input window. Evaluate thermal performance within the -40°C to +85°C range and confirm that the 16-WLP package aligns with PCB layout constraints.

Part Context

This part belongs to the MAX8805Y series of specialized switching regulators. It is categorized under PMIC - Power Management ICs and specifically designed for low-power, high-efficiency applications in wireless communication equipment. The series focuses on integrating control logic with power switches in minimal footprints.

Replacement Considerations

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