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MAX77801 - High-Efficiency Buck-Boost Regulator

General Description

The MAX77801 is a high-efficiency, step-up/step-down (buck-boost) converter targeted for single-cell, Li-ion battery-powered applications.

The device maintains a regulated output voltage from 2.6V to 4.18V across an input voltage range of 2.3V to 5.5V.

Key Features

  • VIN Range: 2.30V to 5.5V.
  • VOUT Range: 2.60V to 4.18V (I2C Programmable in 12.5mV Steps).
  • Up to 2A Output Current in Boost Mode (VIN = 3.0V, VOUT = 3.4V).
  • Up to 3A Output Current in Buck Mode.
  • Up to 97% Peak Efficiency.
  • SKIP Mode for Optimal Light Load Efficiency.
  • 55μA (typ) Low Quiescent Current.
  • 3.4MHz High-Speed I2C Serial Interface.
  • Dynamic Voltage Scaling (DVS) Function.
  • Power-OK Output.

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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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Click here for production status of specific part numbers. MAX77801 EVALUATION KIT AVAILABLE 5.5V Input, 2A, High-Efficiency Buck-Boost Converter General Description The MAX77801 is a high-efficiency, step-up/step-down (buck-boost) converter targeted for single-cell, Li-ion battery-powered applications. The device maintains a regulated output voltage from 2.6V to 4.18V across an input voltage range of 2.3V to 5.5V. The device supports up to 2A of output current in boost mode and up to 3A in buck mode. The device seamlessly transitions between buck and boost modes. A unique control algorithm allows high-efficiency and outstanding load and line-transient response. Dedicated enable and power-OK pins allow simple hardware control.