MAX1920EUT+T

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MAX1920EUT+T Application Field and Working Principle

Maxim Integrated\'s MAX1920EUT+T DC-DC switching regulator is an integrated solution specifically designed for improved efficient and convenient power management applications. With its high current-mode architecture and wide 2.7 V to 5.5 V input voltage range, the regulator provides a simple and small solution for many applications.

Application Field

The MAX1920EUT+T is especially well suited for battery powered applications. It operates at a fixed frequency of 750 kHz, allowing greater design flexibility while maintaining excellent light load efficiency. This, combined with the internal compensation network, eliminates the need to customize compensation components on the board. Its low quiescent current of 238 μA (typ), low shutdown current of 300 nA (typ), and 1.2 μA VFB current (typ) increase system battery life. Its current-mode architecture also provides excellent load and line transient response. Applications of MAX1920EUT+T can be found in systems powered by one or two Li-Ion cells and in two-cell alkaline systems.

Working Principle

The MAX1920EUT+T operates from a 2.7 V to 5.5 V input voltage, and a 5V maximum output voltage at up to 1.5 A with 500 mV, 1.5V, 2.1V and adjustable outputs. It features a low-noise current-mode architecture that promises fast transient response and excellent noise rejection, along with its high efficiency of up to 96%, and a low-ripple Burst Mode® operation at light load. The MAX1920EUT+T provides internal soft start and thermal shutdown protection. Additionally, the package temperature is ± 8°C max, guaranteeing a long lifetime of use.

Conclusion

The MAX1920EUT+T DC-DC switching regulator is designed to be used in a wide range of power management applications where improved efficiency, convenient power management and easy customization is required. Its low-noise current-mode architecture ensures fast transient response and excellent noise rejection, combined with a high efficiency of up to 96%. With its wide input voltage range and the added bonuses of soft start and thermal shutdown protection, the MAX1920EUT+T makes for an excellent choice for many applications.

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