MP6401DQT-18BD3-LF-Z Integrated Circuits (ICs)

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PMIC voltage regulators are an essential part of many applications and systems, allowing engineers to precisely and safely control the voltage needed to power a given device, system, or circuit. In this article, we will be discussing the MP6401DQT-18BD3-LF-Z voltage regulator, a linear regulator that is designed specifically for industrial and automotive applications. We\'ll go over its application fields, working principles, and features.

Application Field

The MP6401DQT-18BD3-LF-Z is an integrated voltage regulator, featuring the flexibility and scalability needed for industrial and automotive applications. Thanks to its high thermal performance, it can operate in extreme temperature conditions from -40°C to 125°C. Its exceptionally small size and high efficiency rating also allow it to be used in applications that require low power dissipation and power saving.

The MP6401DQT-18BD3-LF-Z is designed to provide precise voltage regulation with a low output ripple. With an adjustable output voltage range of 1.2V to 4.8V, and a wide input voltage range of 3.0V to 24V, it can be used in a wide range of systems and applications.

The MP6401DQT-18BD3-LF-Z is available in up to 18 channels in an industry-standard 0.4mm pitch 64-pin staggered pad package, enabling a wide array of system configurations and designs. Its multi-channel functionality and low power dissipation make it ideal for applications such as distributed power systems and communications infrastructure.

Working Principle

The MP6401DQT-18BD3-LF-Z is a linear voltage regulator that operates on a simple linear principle. It works by sensing the output voltage and adjusting the current flow through the regulator to achieve a precise output. The regulator circuit utilizes two voltage regulating devices, a transconductance amplifier and a p-channel power FET, to regulate the output voltage.

The transconductance amplifier senses the output voltage directly, and adjusts the current flow through the regulator to maintain a precise output. The p-channel power FET further controls the output current by modulating the output impedance. This modulated impedance effectively limits current flow, protecting the regulator from overcurrent conditions and ensuring total output voltage regulation.

Features

The MP6401DQT-18BD3-LF-Z comes with a number of features that make it suitable for industrial and automotive applications. It features a wide input voltage range of 3.0V to 24V, enabling it to provide reliable power to multiple systems. It also has a fast transient response which allows it to quickly adjust the output voltage when needed, in order to protect against overvoltage and undervoltage conditions.

The regulator also provides a low output voltage ripple of less than 100mV, ensuring a clean and stable output voltage. The quiescent current can be adjusted to suit system needs, and its high efficiency rating of up to 90% gives it the ability to save power and prolong battery life in applications where there is a need to regulate voltages at low temperatures.

The MP6401DQT-18BD3-LF-Z linear voltage regulator also features adjustable fault and current limit thresholds, giving it the ability to protect against overcurrent and overvoltage conditions. It is available in up to 18 channels for distributed power systems, and its small size and industry-standard 0.4mm pitch 64-pin staggered package enable it to be used in space-constrained applications such as automotive and communications.

Conclusion

The MP6401DQT-18BD3-LF-Z is an integrated linear voltage regulator, designed specifically for industrial and automotive applications. Thanks to its wide input voltage range, fast transient response, adjustable fault and current limit thresholds, high efficiency rating, and small size, it can be used in a wide range of systems and applications.

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