AS431HBZTR-G1

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The AS431HBZTR-G1 is a voltage reference that is commonly used in power management integrated circuit (PMIC) applications. This device can accurately and reliably provide a stable reference voltage for a wide range of circuits and systems, including precision analog and digital designs.

The AS431HBZTR-G1 is a 3-terminal, series Voltage Reference and is designed to provide a precise reference voltage (10V) over a wide range of temperatures. The device also provides excellent line regulation, with a maximum variation of only 0.1% over a line range of 10V to 30V. This allows the device to provide a constant reference voltage even when the line voltage is varied.

The device is capable of supplying up to 30mA with an output voltage that is maintained within 0.1% over the rated operating temperature range. Additionally, the device is capable of maintaining a very low temperature coefficient (TC) of 10 ppm/°C. This gives the AS431HBZTR-G1 excellent long-term stability and accuracy even in highly variable temperature conditions.

The AS431HBZTR-G1 works by monitoring the input voltage and adjusting its output voltage to maintain a precise reference voltage. This is achieved by combining a precision bandgap circuit with a current-limiting transistor and a voltage-divider network. The bandgap circuit forms a temperature-stable voltage reference by comparing three voltages and adjusting two of them until a balance is achieved. This results in a precise reference voltage.

The voltage reference is then adjusted to the required value by using a precision voltage divider and an external resistor network. This allows the output voltage to be accurately adjusted. Additionally, the current-limiting transistor ensures that the output voltage can never exceed the input voltage.

The AS431HBZTR-G1 voltage reference is a versatile, reliable and accurate device that is suitable for a wide range of PMIC applications. Its precise control of output voltage and its ability to maintain a constant reference voltage is ideal for systems that require high performance and accuracy over a wide temperature range. This device is also very easily interfaced with other components, which makes it an attractive choice for those looking for a cost-effective solution.

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