ADR423ARZ

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PMIC - Voltage Reference technology has been an integral part of electrical engineering for more than 30 years and is used in a variety of applications, from gateway computers and industrial control systems to communication technology. ADR423ARZ voltage reference is an ultra-low dropout (LDO) regulator, which is specifically designed for low-power, low noise applications, such as medical equipment, automotive, and military applications. It is a low power, low voltage, single output device that provides accurate, low noise, and stable output with low output impedance and fast response.

ADR423ARZ voltage reference features a low quiescent current of 110 μA, with accuracy of ±0.2% over a temperature range of -40°C to +85°C. Its peak current capability is 500 mA, and it has a maximum output voltage drop of 0.2V @ 1A. It features an input voltage range of 2.7V to 5.5V, with an output voltage range of 2.2V to 4.850V. Its output impedance is 1mΩ at 1A, and settling time of 10μs. The device also includes various protection circuits to ensure robustness, such as output short circuit protection and overvoltage protection.

The operating principle of the ADR423ARZ voltage reference is straightforward. The device is a linear regulator that provides a constant output voltage, regardless of variations in the load current or fluctuations in the input voltage. It works by utilizing a feedback mechanism that allows the regulator to constantly monitor the output voltage. If the output voltage falls below the preset level set by the user, the device will increase the amount of current sent to the load, compensating for the voltage drop due to increased load current. This ensures that the output voltage remains stable, even under varying loads.

ADR423ARZ voltage reference is highly suitable for applications where low voltage and high accuracy is required. It is ideal for micro-controllers, power monitors, measuring devices, portable meter displays, industrial process controls, and medical instruments. It is also suitable for automotive, industrial, and military applications, where high accuracy, low noise, and fast response are desired. As such, the ADR423ARZ voltage reference is highly versatile and suitable for a variety of applications.

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