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L6920DC - Synchronous rectifier step up converter

General Description

The L6920DC is a high efficiency monolithic step up switching converter IC especially designed for battery powered application.

Package is MSOP8 in order to minimize PCB space.

Key Features

  • 0.8V start up input voltage.
  • Up to 5.5V operating input voltage.
  • Internal synchronous rectifier.
  • Adjustable output voltage from 1.8V to 5.5V.
  • 3.3V and 5V fixed output voltages.
  • Low battery voltage detection.
  • Reverse battery protection.
  • 550mA minimum input current limit.
  • Switching frequency up to 1MHz.
  • 1.23V reference voltage available.

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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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L6920DC Synchronous rectifier step up converter General features ■ 0.8V start up input voltage ■ Up to 5.5V operating input voltage ■ Internal synchronous rectifier ■ Adjustable output voltage from 1.8V to 5.5V ■ 3.3V and 5V fixed output voltages ■ Low battery voltage detection ■ Reverse battery protection ■ 550mA minimum input current limit ■ Switching frequency up to 1MHz ■ 1.23V reference voltage available Applications ■ Conversion from 1 to 3 alkaline, ■ NiMH, NiCd battery cells or 1 lithium ION ■ PDA and handheld instruments ■ Digital cameras ■ Cellular phones ■ GPS ■ Distributed power Application circuit MSOP8 Description The L6920DC is a high efficiency monolithic step up switching converter IC especially designed for battery powered application.