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

Manufacturer: Maxim Integrated (now Analog Devices)

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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.

Overview

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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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