ADP166ACPZN-1.8-R7

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The ADP166ACPZN-1.8-R7 is a linear voltage regulator designed for use with power management and control applications. Its versatility and varied output voltage options make it a great choice for many different applications. This article will explain the ADP166ACPZN-1.8-R7\'s application field and working principle.

Application Field

The ADP166ACPZN-1.8-R7 is a top-of-the-line linear voltage regulator that is suitable for applications related to power management and control. It offers a wide range of output voltage options, ranging from 1.0V to 5.5V, while providing a maximum current of 550mA. Additionally, it features a low dropout voltage of 0.9V, low ground current of 5mA, and a low output noise of 1.8mVrms.

The ADP166ACPZN-1.8-R7 is well-suited for supplying a constant voltage to microcontrollers, digital signal processors, ASICs, FPGAs, and other logic systems. Additionally, it can be used in automotive applications, medical systems, consumer applications, and more. Its adjustable output voltage, low dropout voltage, and low ground current ensure it can handle a wide range of demanding applications.

Working Principle

The ADP166ACPZN-1.8-R7 is a linear voltage regulator that works by controlling the voltage output to the load. This is accomplished by regulating the power supply input voltage so that it is equal to the desired output voltage. The regulator is equipped with an internal error amplifier that maintains the output voltage by comparing it to an internal reference voltage. The error amplifier produces a control signal that adjusts the current to the voltage reference and control cell.

The current is passed through the control cell, a trans-impedance amplifier, and then to the load. The trans-impedance amplifier converts the current to voltage and then provides a feedback signal to the error amplifier. The error amplifier then compares the feedback signal with the internal reference voltage and adjusts the current to the control cell accordingly. This process is repeated, creating a closed-loop feedback system that accurately sets the output voltage.

Conclusion

The ADP166ACPZN-1.8-R7 is an ideal linear voltage regulator for power management and control applications. It offers a wide range of output voltage options, a low dropout voltage, and a low ground current, making it suitable for demanding applications in automotive, medical, consumer, and many other industries. Additionally, it works with a closed-loop feedback system that ensures the output voltage remains constant at the desired level.

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