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MAX17270 - Multiple-Output (SIMO) Buck-Boost Regulator

General Description

The MAX17270/MAX17271 are 3-output switching regulators designed for applications requiring efficient regulation of multiple supplies in a very small space, such as wearable electronic devices.

Key Features

  • 3-Output/2-Output, Single-Inductor, Multiple-Output (SIMO) Buck-Boost Regulator.
  • 2.7V to 5.5V Input Voltage Range.
  • Low-Power and Long Battery Life.
  • 1.3μA Operating Current (3 SIMO Channels).
  • 330nA Shutdown Current.
  • 85% Efficiency at 3.3V Output.
  • Flexible and Configurable.
  • I2C Compatible Interface (MAX17271/MAX17273).
  • Programmable Output Voltage: 0.8V to 5.175V.
  • Programmable Peak Current Limit.

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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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EVALUATION KIT AVAILABLE Click here for production status of specific part numbers. MAX17270/MAX17271/ nanoPower Triple/Dual-Output, Single-Inductor, MAX17272/MAX17273 Multiple-Output (SIMO) Buck-Boost Regulator General Description The MAX17270/MAX17271 are 3-output switching regulators designed for applications requiring efficient regulation of multiple supplies in a very small space, such as wearable electronic devices. The parts use a buck-boost architecture that regulates three outputs using a single, small 2.2µH inductor at efficiencies up to 85%. This results in smaller board space while delivering better total system efficiency than equivalent power solutions using one buck and linear regulators. The supply current is 0.85µA when only one output is enabled, plus 0.