MAX8805WEWEEE+T

Overview

The MAX8805WEWEEE+T is a high-efficiency, hysteretic step-down DC-DC converter designed for WCDMA power amplifier applications. It operates with an input voltage range of 2.7V to 5.5V and provides a single adjustable output voltage from 0.4V to 5.5V. The device delivers up to 600mA of output current in a compact 16-WLP package. It features a bypass mode to enhance PA performance and system efficiency. The component supports surface-mount installation and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Hysteretic control architecture for fast transient response
• Integrated bypass mode for improved power amplifier efficiency
• Compact 16-WLP footprint suitable for space-constrained designs

Applications

• WCDMA Power Amplifier supply
• Mobile phone baseband power management
• Portable electronic device voltage regulation

Procurement Notes

Verify the exact suffix configuration against the manufacturer's official datasheet to ensure compatibility with specific design requirements. Confirm RoHS compliance status and lead times through authorized distributors, as availability may vary by region. Check for obsolescence notices or product change notifications prior to final procurement decisions.

Selection Notes

Select this component when designing for WCDMA PA biasing where high efficiency and low noise are critical. Ensure the input voltage source stays within the 2.7V to 5.5V operational window. Consider the thermal dissipation capabilities of the 16-WLP package under maximum load conditions. Verify that the required output voltage range falls within the 0.4V to 5.5V adjustability limits.

Part Context

This part belongs to the MAX8805 series of specialized switching regulators developed by Maxim Integrated, now part of Analog Devices. It is specifically engineered for RF power amplifier applications in mobile communications. The series utilizes hysteretic control to minimize external component count while maintaining stability. This variant represents a specific packaging and suffix configuration within the broader family.

Replacement Considerations

Public confirmed substitute part numbers: None identified.