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AAT1171 - Voltage-Scaling Step-Down Converter

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.

Key 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.
  • maintaining a low 45µA of no load quiescent current.
  • The 2MHz switching frequency minimizes the size of.
  • external components while keeping switching losses.
  • low. A low resistance MOSFET, typically 230mΩ,.

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Datasheet Details

Part number AAT1171
Manufacturer AAT
File Size 732.60 KB
Description Voltage-Scaling Step-Down Converter
Datasheet download datasheet AAT1171 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 • maintaining a low 45µA of no load quiescent current.