MAX20003CATPA/V+

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DC-DC Switching Regulators are often used in various electrical and electronic systems due to their ability to convert a given DC voltage to a different level with high efficiency. The MAX20003CATPA/V+ is an example of such a converter and its application field and working principle are discussed further in this article.

The MAX20003CATPA/V+ is a full-featured 0.2V to 4.3V, 1.4Astep-down DC-DC switching regulator with integrated MOSFETs. It uses internal compensation to reduce the complexity of the external design, enabling a small and thin form factor with minimal external components. The device includes features such as I2C compatibility, adjustable output voltage and pHME (programmable high-side and low-side MOSFETs), allowing for use in a wide range of applications. It has integrated protection features including soft-start and over-current protection, eliminating the need for additional external components and providing a cost-effective solution for low-power applications.

The main application field for the MAX 20003CATPA/V+ is mobile and battery-powered application. It can be used for powering the main system components, mobile handheld applications, ICs, and complex designs due to its small size and high efficiency, allowing for better power management in space-constrained and low-power environments. It is also suitable as an interim regulator in battery-charging systems and in secondary applications with supply voltages between 0.2V and 4.3V.

The devices working principle is a synchronous buck topology. It is based on a voltage-mode Pulse Width Modulation (PWM) control scheme with no frequency jitter. It has either single-ended or differential input voltage, with an adjustable switching frequency between 500 kHz to 1 MHz. The device utilises the latest Synchronous Buck Control IC, the MAX20003, which offers high efficiency and low power dissipation.

The MAX 20003CATPA/V+ offers programmable output voltage and switching mode power supply (SMPS) mode operation. Its operating temperature range is from -40°C to +85°C, with high efficiency reaching up to 94%. The device also has a low quiescent current consumption of less than 40µA and low shutdown current consumption of 0.1µA.

Overall, the MAX 20003CATPA/V+ is a versatile and efficient DC-DC switching regulator which is suitable for a wide range of applications. It offers a wide input voltage range and adjustable output voltage, with programmable high-side and low-side MOSFETs and integrated protection features. It also has a high efficiency and low power dissipation, meaning it can be used in a variety of low power apps. The device is available in both industrial and commercial grades.

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