MAX8805WEWEDD+T

Overview

The MAX8805WEWEDD+T is a specialized switching voltage regulator manufactured by Analog Devices Inc./Maxim Integrated. It functions as a PWM step-down converter designed for WCDMA power amplifier applications. The device features an input voltage range of 2.7V to 5.5V and provides a single adjustable output voltage from 0.4V to 5.5V. It supports an output current of up to 650mA. The component operates within a temperature range of -40°C to +85°C and is housed in a 16-WLP (Wafer Level Package) surface-mount package.

Feature Summary

• Integrated PWM step-down topology optimized for RF power amplifier efficiency
• Adjustable output voltage capability with wide input range support
• Compact wafer-level packaging for space-constrained mobile designs

Applications

• WCDMA Power Amplifier supply regulation
• Mobile phone baseband power management
• RF front-end module voltage conversion

Procurement Notes

Verify the specific suffix 'DD' against official Maxim Integrated datasheets, as standard listings typically show 'EWEE'. Confirm end-of-life status and availability through authorized distributors, as this part may be discontinued or restricted. Ensure RoHS compliance documentation matches the specific manufacturing batch requirements for your production line.

Selection Notes

Select this component when designing for WCDMA PA biasing where high efficiency and compact footprint are critical. Ensure the input supply stays within 2.7V to 5.5V limits. Verify that the required output current does not exceed 650mA. Consider thermal dissipation capabilities inherent to the 16-WLP package during PCB layout.

Part Context

This part belongs to the MAX8805 series of specialized PMICs developed for cellular handsets. It addresses the need for efficient power delivery to RF components in mobile devices. The series is characterized by its integration of control logic and power switches in a minimal outline package, targeting cost-sensitive consumer electronics markets.

Replacement Considerations

Publicly confirmed substitute part numbers for MAX8805WEWEDD+T are not available in the provided source data. Consult Analog Devices technical support for direct replacements or cross-reference options.