AS431HMBNTR-G1

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AS431HMBNTR-G1 is a 3-Terminal Adjustable, Shunt mode, Low Drop Voltage Reference device developed by Allegro MicroSystems, Inc. It is an ideal device for applications where an adjustable voltage reference is needed to replace more expensive fixed voltage references. The device is designed to operate over a wide range of operating conditions, making it ideal for automotive, industrial, medical, and consumer applications.

AS431HMBNTR-G1 is part of the PMIC (Power Management IC) category. PMICs are integrated circuits that regulate the power in a system, and AS431HMBNTR-G1 specifically belongs to the voltage reference subcategory. A voltage reference provides a steady voltage for other parts of the system that depend on it.

The device has an operating temperature range of -40°C to 150°C, making it suitable for extreme temperature environments. It features a 0.3V to 4.7V output voltage adjustable, up to 1.2mA source or sink current, and a 50µA operating current. The device is also highly tolerant to reverse voltage, withstanding up to 30V reverse voltage. Packaged in a small 1.6mm x 1.8mm 3-pin SOT-23/SSOT-3-6, the AS431HMBNTR-G1 is ideal for space constrained applications.

The working principle of the device is simple – when the input voltage applied exceeds the internal reference voltage, the device applies output current to either shift the output voltage up or down until the input and output voltages are equal. When the input voltage is below the reference voltage, the device sinks current to pull the output voltage down until both voltages are equal. This process enables the device to maintain an adjustable and stable output voltage.

The AS431HMBNTR-G1 can be used in a variety of applications, including but not limited to automotive dash-board instrumentation, CRT systems, DC/DC converters, and networking systems. Additionally, the device can be used to control or regulate various functions, such as switching mode regulators, overvoltage protection, and other specialty circuit applications.

In summary, the AS431HMBNTR-G1 is a 3-Terminal Adjustable, Shunt mode, Low Drop Voltage Reference device developed by Allegro MicroSystems. It is categorized as a PMIC (Power Management IC) Voltage Reference, and can be used in a variety of applications, such as automotive dash-board instrumentation, CRT systems, DC/DC converters, etc. The device has an operating temperature range of -40°C to 150°C, a 0.3V to 4.7V output voltage adjustable, up to 1.2mA source current, a 50µA operating current, and is highly tolerant to reverse voltage. It works on the principle that it applies output current to either shift the output voltage up or down until the input and output voltages are equal. It is packaged in a small 1.6mm x 1.8mm 3-pin SOT-23/SSOT-3-6, making it ideal for space constrained applications.

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