AS431ANTR-G1

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The AS431ANTR-G1 voltage reference belongs to a type of Power Management Integrated Circuit (PMIC) known as a shunt regulator. It is a three-terminal device that functions as an adjustable voltage reference source with an operating voltage range of -0.3 V to 18 V. Designed to replace obsolete discrete components, this integrated device is an ideal choice for new designs or an upgrade over traditional solutions. The AS431ANTR-G1 provides precise and stable output voltage, temperature stability, and improved EMC performance with the integrated EMC filter.

Application Field

The AS431ANTR-G1 is a useful device for applications in instrumentation, high-voltage regulators, switch mode power supplies, and low-voltage reference control in Linear Regulators and Converters. The device also helps to provide precise, low cost, and stable reference design. It is suitable for applications that require a voltage reference with a high accuracy, low noise, and fast response time.

Working Principle

The AS431ANTR-G1 works as a shunt regulator. It has three terminals: an input (Vin), an output (Vout), and an adjustment (Vadj). The output voltage is determined by the voltage difference between the input and adjustment terminals, and the current passing through the device. The voltage on the adjustment terminal is set by using an external resistor. When the input and output terminals are connected, the voltage difference is monitored and, if necessary, the device will start to control the current passing through it until the output voltage is stabilized.

The AS431ANTR-G1 features a wide operating voltage range, fast response time, and low power consumption. It can be used to provide a stable and adjustable voltage reference, with an output voltage resolution of 0.02 V. Additionally, it has an active low-pass filter that helps minimize RF noise, helping to ensure the accuracy and stability of the reference voltage over the long term.

The AS431ANTR-G1 is an efficient device that can provide a stable and adjustable reference voltage with a wide availability of input voltages and output voltage ranges. It is an ideal choice for instrumentation applications, high-voltage regulators, and low-voltage reference control in Linear Regulators and Converters.

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