MAX8805W Datasheet (Maxim Integrated Products) - 600mA/650mA PWM Step-Down Converters

MAX8805W, 600mA/650mA PWM Step-Down Converters

The MAX8805W/MAX8805X/MAX8805Y/MAX8805Z high-frequency step-down converters are optimized for dynamically powering the power amplifier (PA) in WCDMA or NCDMA handsets.

The devices integrate a high-efficiency PWM step-down converter for mediumand low-power transmission, and a 60m Ω typical bypass FET

MAX8805W Features

* PA Step-Down Converter 7.5µs (typ) Settling Time for 0.8V to 3.4V Output Voltage Change Dynamic Output Voltage Setting from 0.4V to VBATT 60mΩ pFET and 100% Duty Cycle for Low Dropout 2MHz or 4MHz Switching Frequency Low Output-Voltage Ripple 600mA (MAX8805Y/MAX8805Z) or 650mA (MAX8805W/MA