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The Analog Devices MAX77859 is a highly integrated buck-boost converter designed to provide efficient power management solutions for a variety of portable and battery-powered devices. As part of Analog Devices' portfolio of power management ICs, the MAX77859 offers advanced features and capabilities to maximize battery life and optimize power efficiency in space-constrained applications.
The MAX77859 supports a wide input voltage range, allowing it to efficiently regulate the output voltage over a broad range of input voltages. This flexibility makes it suitable for use with a variety of power sources, including single-cell and multi-cell batteries, USB power sources, and AC adapters.The MAX77859 also employs a buck-boost topology, which enables seamless transition between step-down (buck) and step-up (boost) modes of operation. This allows the converter to maintain a stable output voltage even as the input voltage varies, ensuring consistent power delivery to the load.
Furthermore, the output voltage of the MAX77859 can be programmed via an external resistor divider, allowing for flexibility in setting the desired output voltage level to meet the requirements of specific applications. This programmability enables the converter to support a wide range of output voltages to accommodate different load requirements.
Analog Devices MAX77859 Buck-Boost Converter integrates both the power MOSFETs required for buck and boost operation, minimizing external component count and simplifying system design. This integration helps to reduce board space and overall system cost while improving reliability and performance.
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