MAX8655ETN+W

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MAX8655ETN+W Application Field and Working Principle

The MAX8655ETN+W is a DC-DC Switching Regulator Power Management IC (PMIC) that consists of synchronous rectifying buck (step-down) regulators. The MAX8655ETN+W integrates an inductor, several transistors, and a bunch of capacitors into a fully integrated solution. This makes it a very power efficient choice as compared to other traditional discretes. This PMIC helps in boosting the voltage without compromising on the power consumption to extend battery life in portable consumer electronics applications.

Features and Benefits

The MAX8655ETN+W has several features and benefits compared to other PMICs. It offers excellent power conversion efficiency, up to 99 percent at light load, which helps to extend battery life. It is also capable of driving outputs up to 11A, making it suitable for applications that require higher currents.

The PMIC features a wide input voltage range from 2.7V to 5.5V, making it ideal for a variety of input sources. Its frequency range is configurable from 200KHz to 1MHz, while its output voltage is adjustable from 0.8V to 5.5V. It also includes an adjustable soft start, a soft-stop feature, and an over-current protect circuit. The PMIC is available in a 4mmx4mm 32-pin QFN package, which helps to save on board space while offering all the features mentioned above.

Working Principle

The MAX8655ETN+W is a current-mode DC-DC converter that employs synchronous rectifying buck (step-down) regulators to convert one DC voltage to another. It operates by taking a given DC input voltage, regulating the current and delivering it as an output DC voltage. The PMIC features an internal control loop that regulates the output voltage, current and power to ensure that the output voltage stays within the specified range throughout the load conditions.

The MAX8655ETN+W integrates a large number of components such as MOSFET transistors, rectifiers, inductors, and capacitors. These components are responsible for taking in an AC voltage, rectifying and filtering it and delivering it as a DC output with improved efficiency. One of the main advantages of using the PMIC is the ability to control many aspects of the converter, such as the output voltage and frequency, and to be able to set the maximum current.

Applications

The MAX8655ETN+W can be used for many different applications. It is ideal for a variety of portable consumer electronics, such as cell phones, digital cameras, and portable media players. It can also be used for industrial, medical, automotive, and computing applications. The compact size, high efficiency, and wide voltage range make the PMIC perfect for these small, portable applications.

In summary, the MAX8655ETN+W is a DC-DC Switching Regulator Power Management IC (PMIC) that consists of synchronous rectifying buck (step-down) regulators. It offers excellent power conversion efficiency, up to 99 percent at light load, enabling improved battery life in portable consumer electronics. The PMIC also offers a wide input voltage range, adjustable output voltage and frequency, adjustable soft start, a soft-stop feature, and an over-current protect circuit. With all these features, the PMIC is perfect for applications in portable, industrial, medical, automotive, and computing applications.

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