MAX8877EUK36+T

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PMIC (Power Management Integrated Circuit) has been a major breakthrough in the development of modern electronic technology, with its main goal being to provide efficient and effective regulating power to electronic devices, lowering the total power consumption. The MAX8877EUK36+T is a linear voltage regulator and is part of the highly-versatile PMIC family. This power regulator offers a wide range of features, enabling it to provide a reliable, efficient, and powerful power supply for a variety of applications.

Overview of the MAX8877EUK36+T

The MAX8877EUK36+T is a dual-channel low-dropout (LDO) linear voltage regulator. Through its two independent outputs the MAX8877 EUK36+T can power both a high-side and low-side load, providing 3.3V to both simultaneously, while allowing for up to 25A combined maximum current output. Hence, it is an excellent choice where twice as much power maybe necessary without having to resort multiple regulators.

The main components of the MAX8877EUK36+T include: two oscillators, two comparators, sixteen N-MOSFET, one P-MOSFET, four cascode transistors, one voltage reference, two voltage regulators, and one current sensing circuit. Furthermore, the MAX8877 EUK36+T also offers a wide range of features such as a wide input voltage range of 7.5 V to 24 V, operating temperature range of -40°C to 125°C, low <20 µA quiescent current, and 10-µA shutdown current.

Advantages of the MAX8877EUK36+T

The MAX8877EUK36+T has some significant advantages when compared to other PMICs. It is capable of powering as much as two 3.3V output channels, providing up to 25A total power output, and comes with a very low dropout voltage and low quiescent and shutdown current. Furthermore, its wide temperature operating range ensures it can power applications over a large temperature range, perfect for those applications which may encounter extreme temperatures. Additionally, the MAX8877 EUK36+T is an easy to design-in solution, as it has a small footprint and makes use of the popular MaxLinear MLF® package.

Uses of the MAX8877EUK36+T

Because of its low quiescent and shutdown current, wide temperature range, and two independent powerful outputs the MAX8877 EUK36+T is well-suited for a variety of applications. For example, it can be used to power digital cameras, portable devices, and medical products which may require multiple 3.3V outputs.

Working Principle

At its core, the MAX8877EUK36+T is a linear voltage regulator. It utilizes adjustable voltage regulation and has a feedback loop which serves to compare the voltage at its outputs with a reference voltage. This enables it to ensure that the voltage going to the load remains constant. When the output voltage is less than the regulated one, the open loop control will initiate a process within the circuit called Analog Pulse-Width Modulation (PWM). This process will cause the comparator output voltage to swing high and low and ultimately increase the output voltage. The PWM loop also limits the maximum current to avoid overloading circuits or components.

Conclusion

The MAX8877EUK36+T is a linear voltage regulator that is part of the PMIC family. It utilizes PWM to regulate the output voltage and provide reliable, efficient, and powerful power supply. It is suitable for applications requiring multiple 3.3V outputs, as it can provide up to 25 A total current capacity with two independent output channels. It features a wide input voltage range of 7.5 V to 24 V and boasts a wide enough temperature range to be up to extreme temperature conditions. All in all, the MAX8877 EUK36+T is an excellent choice for both applications which require a powerful regulated power supply or multiple outputs.

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