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AAT1171

Part Number	AAT1171
Manufacturer	AAT
Description	Voltage-Scaling Step-Down Converter
Published	Apr 30, 2007
Detailed Description	600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch General Description The AAT1171 Swi...
Datasheet	AAT1171 PDF File

Overview

600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch General Description The AAT1171 SwitchReg, a member of AnalogicTech's Total Power Management IC™ (TPMIC™) product family, has been specifically designed to dynamically control the operating voltage of a WCDMA or CDMA power amplifier inside single lithium-ion battery-powered systems.
The AAT1171 outputs a voltage between 0.
6V and 3.
6V, thereby optimizing the amplifier efficiency at both low and high transmit levels.
AAT1171 Features • • • • • • • • SwitchReg™ The AAT1171 output voltage is controlled via an • analog signal from the baseband processor.
It can • deliver 600mA of continuous load current while...

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