ADR03BUJ-R2

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The ADR03BUJ-R2 is an integrated, precision analog voltage reference designed to offer several benefits over traditional stand-alone voltage references. As a Power Management IC (PMIC), it provides a low-noise, precision, adjustable output voltage that is suitable to meet the demands of a wide range of applications. This document will outline the application field and working principle of the ADR03BUJ-R2.

As a Voltage Reference, the primary purpose of the ADR03BUJ-R2 is to provide a stable and accurate reference voltage. It consists of an adjustable precision voltage reference and an output amplifier providing a regulated output voltage. The output amplifier features no gain, making it an ideal choice for low voltage applications. Additionally, this device offers temperature coefficient stability over a wide temperature range.

The ADR03BUJ-R2 is suitable for use in a variety of applications, including power management, transistors, amplifiers and linear regulators. Its low dropout voltage (LDO) capability makes it ideal for use in applications where space is limited. Additionally, its low input and output current requirements allow it to be used in battery-powered devices. As such, it is particularly suitable for wireless and portable devices. Furthermore, the adjustable output voltage of the ADR03BUJ-R2 enables it to be used in a variety of other applications requiring a precise reference voltage.

The working principle of the ADR03BUJ-R2 centers around the operation of an adjustable voltage reference. The device integrates a voltage reference circuit, consisting of an adjustable resistor (VR) and adjustable MOSFET (VFET), with an output amplifier. The adjustable resistor (VR) and adjustable MOSFET (VFET) are connected in series and the output from the VFET drives the output amplifier. The output amplifier is designed to have no gain, which ensures that the reference voltage remains stable and accurate. The adjustable resistor (VR) is used to adjust the output voltage, enabling the reference voltage to be set at the desired level. The resulting output is a precisely regulated, low-noise voltage reference.

In summary, the ADR03BUJ-R2 is a Power Management IC (PMIC) designed to offer a precise, low-noise, regulated output voltage suitable for a range of applications. As a Voltage Reference, its primary purpose is to provide a stable and accurate reference voltage. Its low dropout voltage (LDO) capability makes it ideal for use in space-constrained applications and its adjustable output voltage enables it to be used in a variety of other applications requiring a precise reference voltage. The working principle of the device centers around the operation of an adjustable voltage reference to ensure precise and stable output.

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