ADP3186JRUZ-REEL

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The ADP3186JRUZ-REEL is a special purpose voltage regulator that falls under the Power Management Integrated Circuit (PMIC) category. The device is a high voltage regulator with low power consumption, accurate voltage regulation and a low quiescent current. This article explores the application field and working principle of the ADP3186JRUZ-REEL.

Applications

The ADP3186JRUZ-REEL is an integrated device designed for providing regulated high voltages for communication interface applications including I²C/SMBus, UART and SPI. It is also useful for powering flash memory and system clock circuits, and for providing power to the microcontroller and its peripherals.

The device supports multiple supply voltages of 5, 1.8V and 3.3V, and operating temperatures of up to 85°C. It is capable of outputting up to 35V and can be configured to operate either in linear or switch mode. Additionally, the ADP3186JRUZ-REEL features a buck-boost topology and has protection against reverse polarity.

The IC includes integrated surge protection and over-temperature monitoring and protection to ensure reliable operation in high-voltage, high-temperature, and noisy environments. Other features include short-circuit, over-voltage and thermal overload protection.

The ADP3186JRUZ-REEL is well suited for applications such as industrial controllers, automotive systems, medical devices, embedded systems, and portable battery powered applications. It is available in a 8-pin plastic mini small-outline-package (MSOP) which provides increased power density and allows for higher levels of integration and compact designs.

Working Principle

The key components of the ADP3186JRUZ-REEL are its integrated voltage regulator, voltage supervisor, and power switches. The voltage regulator regulates the output voltage and ensures that it stays within a predetermined range. The voltage supervisor monitors the input and output voltages and provides protection against over-voltage and under-voltage conditions. The power switches are used to switch between linear and switch mode operation.

The ADP3186JRUZ-REEL makes use of Pulse Width Modulation (PWM) control to maximize efficiency and minimize power consumption. The PWM signal is generated by the internal integrated voltage regulator. This signal is then sent to the power switches, which switch between linear and switch mode operation. The integrated voltage supervisor then monitors the input and output voltages in order to ensure the output voltage remains within the desired range.

The ADP3186JRUZ-REEL additionally features an internal over-temperature monitor that shuts down the device in order to protect it from damage due to high temperatures. The device also features integrated surge protection that guards against transient over-voltage or under-voltage conditions. The ADP3186JRUZ-REEL also offers short-circuit protection which limits inrush current and current spikes.

Conclusion

The ADP3186JRUZ-REEL is a sophisticated integrated voltage regulator with a wide range of features and applications. It offers low power consumption and high voltage regulation accuracy, integrated surge protection, over-temperature monitoring, and short-circuit protection. The device is designed for communication interface applications and is well suited for high-voltage, high-temperature, and noisy environments. It is available in a compact 8-pin MSOP package and is an ideal solution for embedded systems, medical devices, automotive systems, portable battery powered devices, and industrial controllers.

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