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AAT3601 - Total Power Solution

General Description

The AAT3601 is a member of Skyworks' Total Power Management IC (TPMICTM) product family.

It contains a single-cell Lithium Ion/Polymer battery charger, a fully integrated step-down converter and 5 low dropout (LDO) regulators.

Key Features

  • Voltage Regulator VIN Range: 4.5V to 6V.
  • Complete Power Integration.
  • Integrated Load Switches to Power Converters from AC Adapter or Battery Automatically.
  • Low Standby Current.
  • 200μA (typ) w/LDO1, LDO2 and LDO5 Active, No Load.
  • One Step-Down Buck Converter (NP).
  • 1.24V, 300mA Output.
  • 1.5MHz Switching Frequency.
  • Fast Turn-On Time (120μs typ).
  • Five LDOs Programmable by I2C.
  • LDO1: 3.4V, 150mA (PE).
  • LDO2: 3.4V, 300mA (NP.

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Full PDF Text Transcription (Reference)

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DATA SHEET AAT3601 Total Power Solution for Portable Applications General Description The AAT3601 is a member of Skyworks' Total Power Management IC (TPMICTM) product family. It contains a single-cell Lithium Ion/Polymer battery charger, a fully integrated step-down converter and 5 low dropout (LDO) regulators. The device also includes 2 load switches for dynamic power path/sleep mode operation, making it ideal for small portable short-range communications enabled mobile devices and telephones. The battery charger is a complete thermally regulated constant current/constant voltage linear charger. It includes an integrated pass device, reverse blocking protection, high accuracy current and voltage regulation, charge status, and charge termination.