ADP121-ACBZ12R7 Integrated Circuits (ICs)

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The ADP121-ACBZ12R7 is a linear voltage regulator offered by Analog Devices. It is classified under PMIC (Power Management IC), and has a variety of applications and implementations. This article will cover the application field and working principle of the ADP121-ACBZ12R7.

What is the ADP121-ACBZ12R7

The ADP121-ACBZ12R7 is a low quiescent current, low dropout, linear voltage regulator. It is designed to supply a low current, low voltage regulated output from a higher input voltage. It can supply a regulated output voltage from 1.2V to 3.6V and is available in TO-92 and SOT-23 packages. The quiescent current draw and dropout voltage of the ADP121-ACBZ12R7 is very low, which makes it ideal for power supply applications such as battery-powered devices and low-voltage, low-current digital logic circuitry. The device also provides short circuit protection and over-temperature protection.

Applications for ADP121-ACBZ12R7

The ADP121-ACBZ12R7 linear voltage regulator can be used in a variety of applications. It is useful for powering low voltage logic circuits and providing a stable, regulated output voltage. It is also suitable for powering low power devices such as IoT (Internet of Things) sensors, RF (Radio Frequency) transceivers, and low power LCD (Liquid Crystal Display) panels. Additionally, the device can be used in battery-powered devices such as portable medical devices and other battery-operated devices where a low quiescent current and low dropout voltage are required. It is also suitable for use in automotive, industrial, and telecom applications where low-power, low-voltage designs are needed.

Working Principle

The ADP121-ACBZ12R7 is a linear voltage regulator, meaning it uses an external resistor and transistor to regulate the output voltage. The transistor is used to adjust the output voltage by applying either a positive or a negative voltage to the output. When a positive voltage is applied, the voltage is increased, and when a negative voltage is applied, the voltage is decreased. The external resistor is used to limit the current flowing through the transistor and prevent it from exceeding the maximum current limit of the device. The ADP121-ACBZ12R7 also features overload protection, which prevents any damage to the device caused by an overload. Additionally, the device features over-temperature protection and short circuit protection to protect the device from any damage caused by an unexpected temperature increase or over current.

Conclusion

The ADP121-ACBZ12R7 is a low quiescent current, low dropout, linear voltage regulator. It is designed to supply a low current, low voltage regulated output from a higher input voltage. It is available in TO-92 and SOT-23 packages and can supply a regulated output voltage from 1.2V to 3.6V. The ADP121-ACBZ12R7 is suitable for powering low voltage logic circuits, providing a stable, regulated output voltage, and powering low power devices such as IoT sensors, RF transceivers, and low power LCD panels. It is also suitable for use in battery-powered devices, automotive, industrial, and telecom applications. The device features overload protection, over-temperature protection, and short circuit protection.

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