MAX8805WEWEAA+T

Overview

The MAX8805WEWEAA+T is a high-efficiency, low-noise step-down DC-DC converter designed for powering WCDMA power amplifiers. It operates with an input voltage range of 2.7V to 5.5V and provides a single adjustable output from 0.4V to 5.5V. The device delivers up to 600mA of output current with a switching frequency of 2MHz. It features a compact 16-WLP package and supports operation within a temperature range of -40°C to +85°C.

Feature Summary

• Integrated hysteretic control architecture for fast transient response
• Optimized for low noise and high efficiency in RF applications
• Compact wafer-level packaging for minimal board space

Applications

• WCDMA Power Amplifier (PA) supply
• RF module power management
• Portable communication devices

Procurement Notes

Verify component authenticity through authorized channels due to discontinuation status. Confirm RoHS compliance and lead-free specifications against the official datasheet. Check for obsolescence notices or replacement part recommendations from Analog Devices. Ensure storage conditions meet moisture sensitivity level requirements prior to assembly.

Selection Notes

Select this component when designing for WCDMA PA power requirements needing low noise and high efficiency. Consider the 2MHz switching frequency for smaller external passive components. Evaluate the 16-WLP package constraints for PCB layout. Verify input voltage compatibility with the system's power source.

Part Context

This part belongs to the MAX8805 family of step-down converters specifically engineered for RF power amplifier applications. It integrates the necessary control logic and power switches into a small form factor, addressing the stringent power and size constraints of modern mobile handsets and wireless modules.

Replacement Considerations

The product status is listed as Obsolete. Consult Analog Devices documentation for officially confirmed substitute part numbers or recommended upgrades within the same product family.