MAX8805WEWEBC+T

Overview

The MAX8805WEWEBC+T is a high-efficiency, hysteretic step-down DC-DC converter manufactured by Analog Devices Inc./Maxim Integrated. Designed for WCDMA power amplifier applications, it features an integrated 600mA switch and operates with an input voltage range of 2.7V to 5.5V. The device provides a fixed output voltage of 3.0V and supports a maximum output current of 600mA. It utilizes a 16-WLP (Wafer Level Package) form factor for compact board space utilization. The component functions within a temperature range of -40°C to +85°C and includes built-in protection mechanisms such as thermal shutdown and current limit.

Feature Summary

• Hysteretic control architecture for fast transient response
• Integrated power switch for simplified design
• Bypass mode capability to enhance PA performance
• Compact wafer-level packaging

Applications

• WCDMA Power Amplifier supply
• Mobile phone main logic supply
• Portable electronic devices requiring efficient step-down conversion

Procurement Notes

Verify the specific suffix 'BC' against official Maxim Integrated documentation, as standard listings typically reference 'WEB'. Confirm end-of-life status and lead times with authorized distributors, as availability may be restricted. Ensure RoHS compliance requirements are met for the specific revision. Cross-reference pinout compatibility if substituting in existing designs.

Selection Notes

Select this component when designing for WCDMA PA biasing or general low-voltage step-down needs in mobile platforms. The hysteretic topology offers superior transient response compared to traditional PWM converters. Consider the 16-WLP package constraints for PCB layout. Evaluate bypass mode benefits for efficiency optimization during high-power transmission phases.

Part Context

This part belongs to the MAX8805 family of high-efficiency step-down converters optimized for RF applications. The family is characterized by its ability to drive power amplifiers efficiently while maintaining stable output voltages under varying load conditions. It represents a solution for reducing battery consumption in cellular handsets.

Replacement Considerations

Public confirmed substitute part numbers: MAX8805WEWEEE+T.