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MP3418 - 400mA Step-up Converter

General Description

The MP3418 is a high-efficiency, synchronous, current

mode, step-up converter with output disconnect.

The MP3418 can start up from an input voltage as low as 0.8V to provide inrush current limiting, and output short-circuit protection.

Key Features

  • Up to 96% Efficiency.
  • 0.8V Low Voltage Start-Up.
  • 0.6V-to-4V Input Range.
  • 1.8V-to-4V Output Range.
  • Internal Synchronous Rectifier.
  • 1.2MHz Fixed-Frequency Switching.
  • Typical 38µA Quiescent Current.
  • Typical 0.1µA Shutdown Current.
  • Current-Mode Control with Internal Compensation.
  • True Output Disconnect from Input.
  • VIN>VOUT Down Mode Operation.
  • High Efficiency under Light-Load Conditions.

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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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The Future of Analog IC Technology MP3418 400mA, 1.2MHz, Synchronous, Step-up Converter with Output Disconnect DESCRIPTION The MP3418 is a high-efficiency, synchronous, current–mode, step-up converter with output disconnect. The MP3418 can start up from an input voltage as low as 0.8V to provide inrush current limiting, and output short-circuit protection. The integrated, P-channel, synchronous rectifier improves efficiency and eliminates the need for an external Schottky diode. The PMOS disconnects the output from the input when the part shuts down. This output disconnect feature allows the output to be completely discharged, thus allowing the part to draw less than 1µA in shutdown mode. The 1.