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MAX8805Z

Part Number	MAX8805Z
Manufacturer	Maxim Integrated Products
Description	PWM Step-Down Converters
Published	May 15, 2007
Detailed Description	19-0777; Rev 0; 4/07 600mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power General Description The MAX8805...
Datasheet	MAX8805Z PDF File

Overview

19-0777; Rev 0; 4/07 600mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power General Description The 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 medium- and low-power transmission, and a 60mΩ typical bypass FET to power the PA directly from the battery during high-power transmission.
Dual 200mA low-noise, high-PSRR low-dropout regulators (LDOs) for PA biasing are also integrated.
Two switching frequency options are available—2MHz (MAX8805Y) and 4MHz (MAX8805Z)—allowing optimization for smallest solution size or h...

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