MAX8805WEWEAC+T

Overview

The MAX8805WEWEAC+T is a high-efficiency, fixed-frequency PWM step-down converter manufactured by Analog Devices Inc./Maxim Integrated. 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 650mA of output current and features a switching frequency of 2MHz. It is housed in a compact 16-WLP package and supports an operating temperature range of -40°C to +85°C.

Feature Summary

• Fixed-frequency PWM operation for stable regulation
• Compact WLP packaging for space-constrained designs
• Wide input voltage compatibility for mobile systems

Applications

• WCDMA PA power supply
• Mobile phone power management
• Portable electronic devices

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix AC corresponds to the required tape and reel configuration. Check for obsolescence notices as this part may be discontinued. Ensure RoHS compliance documentation is available for regulatory requirements.

Selection Notes

Select this component when a small form factor is critical due to its WLP footprint. It is suitable for applications requiring a wide input voltage range and adjustable output voltages. Consider the 2MHz switching frequency for smaller external passive components compared to lower-frequency alternatives.

Part Context

This part belongs to the MAX8805 series of step-down converters designed for portable electronics. It integrates a power switch and control circuitry into a minimal footprint. The series is optimized for battery-powered applications requiring efficient power conversion and low quiescent current.

Replacement Considerations

Consult official datasheets for pin-compatible alternatives within the same family. Verify electrical specifications match the original design requirements before substitution.