MAX77801 Overview
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.
MAX77801 Key Features
- 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
- 2.5MHz Switching Frequency
- Protection Features
- Soft-Start