MAX15006AATT+

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MAX15006AATT+ is an ultra-low quiescent current, low-voltage linear regulator that can be supplied with any voltage up to 40V. This device provides the power management engineers unprecedented flexibility in deploying mixed voltage rail applications. This article explores the application field and working principle of MAX15006AATT+.

Application Field

The MAX15006AATT+ is primarily targeted as power supply for portable electronic devices, such as digital cameras and cellular phones. It is also well suited for applications requiring ultra-low quiescent current, such as battery-powered applications and low-noise, line powered applications. Additionally, it is well suited for powering special-purpose and medical electronics, including those for fat burners, medical instrumentation, medical-grade wearable devices, heart rate monitors, insulin pumps, and more.

The MAX15006AATT+ is a versatile device as it can receive power from any voltage source up to 40V and can be configured to deliver any output voltage from 0.6V to 5.5V. This makes the device ideal for designing a wide range of different power supply architectures. It can be used as a standalone, ultra-low dropout (ULDO) regulator or a multiphase regulator. These various configurations can be used in a range of different devices and power supplies which means the MAX15006AATT+ is exceptionally versatile and can find its place in a range of different projects and applications.

Working Principle

The MAX15006AATT+ follows a two-staged voltage regulation approach. The first stage of the device is a low-dropout linear regulator (LDO). This LDO utilizes the modern Bias-Adapted Regulated Transistor (BART™) technology to provide industry-leading noise performance, excellent line and load regulation, and fast transient response. The LDO also operates with an extremely low quiescent current (QI), making the total device power dissipation exceptionally low.

The second stage of the device is a Master-Slave Voltage Dropper (M2V). The M2V is a low-dropout, high-Side, current-mode voltage dropper, which is used to effectively divide the output voltage of the device according to the required output, while keeping the QI at a minimum. This configuration ensures that the MAX15006AATT+ operates efficiently and with the minimum possible power dissipation, making it the ideal choice for ultra-low power systems.

In addition to its innovative two-stage regulation approach, the MAX15006AATT+ also features a built-in reverse voltage protection to ensure safe operation in case of reversed input voltage applications. The device also includes a shutdown feature and is available in an ultra-small, 3x2mm QFN package.

Conclusion

The MAX15006AATT+ is an ultra-low quiescent current, low-voltage linear regulator that can be supplied with any voltage up to 40V for the purpose of providing power management options for portable electronics. Its two-stage voltage regulation approach ensures industry-leading noise performance and excellent line/load regulation, while also maintaining low QI and power dissipation. With its wide range of features and versatility, the MAX15006AATT+ is an excellent choice for a range of power management applications.

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