MAX8805WEWEAE+T

Overview

The MAX8805WEWEAE+T is a PWM step-down converter IC from Analog Devices Inc./Maxim Integrated, designed for power management applications. It operates with an input voltage range of 2.7V to 5.5V and provides a single adjustable output voltage ranging from 0.4V to 5.5V. The device delivers up to 650mA of output current and is housed in a compact 16-WLP package. It functions as a dedicated voltage regulator for WCDMA PA power, ensuring efficient energy conversion within the specified operating temperature range.

Feature Summary

• PWM step-down (buck) converter topology for efficient voltage regulation
• Dedicated design for WCDMA PA power management applications
• Compact 16-WLP surface-mount package for space-constrained designs

Applications

• WCDMA Power Amplifier (PA) power supply
• General-purpose DC-DC step-down conversion
• Portable electronic device power management

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeits. Confirm RoHS3 compliance status and check for obsolescence notices, as this part may be discontinued or subject to production changes. Ensure packaging specifications match project requirements before finalizing procurement orders.

Selection Notes

Select this component when a compact buck converter is required for WCDMA PA biasing or general low-voltage regulation. Consider the 16-WLP package size for PCB area constraints. Verify that the input voltage range of 2.7V to 5.5V aligns with the system power source and that the 650mA output current meets load demands.

Part Context

This part belongs to the MAX8805 series of high-efficiency step-down converters. It is specifically optimized for RF power amplifier applications, offering stable performance in mobile communication devices. The series is known for integrating protection features and maintaining efficiency across varying load conditions.

Replacement Considerations

Check for official replacement part numbers from Analog Devices/Maxim Integrated if this specific suffix variant is unavailable. Cross-reference pinouts and electrical parameters with similar MAX8805 variants to ensure compatibility.