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LTC3538 - 800mA Synchronous Buck-Boost DC/DC Converter

General Description

The LTC®3538 is a highly efficient, low noise, buck-boost DC/DC converter that operates from input voltages above, below, and equal to the output voltage.

Key Features

  • Regulated Output with Input Voltages Above, Below, or Equal to the Output.
  • 800mA Continuous Output Current from a Single Lithium-Ion/Polymer Cell.
  • Single Inductor.
  • 1.8V to 5.25V VOUT Range.
  • 2.4V to 5.5V VIN Range.
  • 1MHz Fixed Frequency Operation.
  • Output Disconnect in Shutdown.
  • 35μA Quiesecent Current in Burst Mode Operation.

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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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LTC3538 800mA Synchronous Buck-Boost DC/DC Converter FEATURES ■ Regulated Output with Input Voltages Above, Below, or Equal to the Output ■ 800mA Continuous Output Current from a Single Lithium-Ion/Polymer Cell ■ Single Inductor ■ 1.8V to 5.25V VOUT Range ■ 2.4V to 5.5V VIN Range ■ 1MHz Fixed Frequency Operation ■ Output Disconnect in Shutdown ■ 35μA Quiesecent Current in Burst Mode Operation ■ <5μA Shutdown Current ■ Internal Soft-Start ■ Small, Thermally Enhanced 8-Lead (2mm x 3mm) DFN package APPLICATIONS ■ Miniature Hard Disk Drives ■ MP3 Players ■ Digital Cameras ■ Cellular Handsets ■ PDAs, Handheld PC ■ GPS Receivers DESCRIPTION The LTC®3538 is a highly efficient, low noise, buck-boost DC/DC converter that operates from input voltages above, below, and equal to the output voltage.