S-817A30ANB-CUTT2G

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The S-817A30ANB-CUTT2G is a voltage regulator from ON Semiconductor. This device falls under the category of linear voltage regulators, which are part of Power Management Integrated Circuits (PMIC). Linear regulators are used in a variety of applications, from powering appliances to automotive designs. The S-817A30ANB-CUTT2G is especially well-suited for use in automotive applications that require a high input voltage range, low quiescent current, and tight load regulation.

Overview of Application Field

The S-817A30ANB-CUTT2G is a general-purpose automotive linear regulator, designed to enable the simplest solution for powering a wide variety of automotive systems. It offers an operating input voltage range between 5.5V and 30V, which makes it ideal for truck, trailer, and other heavy-duty vehicle applications that are subject to a variety of input voltage conditions. This device accepts a wide input voltage range and produces a highly accurately regulated output of 3.3V. The quiescent current of the S-817A30ANB-CUTT2G is low, at 285 μA, and its load regulation is tight, at a maximum of ±1%.

Working Principle

The S-817A30ANB-CUTT2G utilizes a linear regulator to produce the desired output voltage and current. A linear regulator works by using a voltage reference, such as a Zener diode or a reference voltage, to identify the desired output voltage. This reference voltage is compared to the output voltage and a feedback loop is used to adjust the current and keep the output voltage constant.

The S-817A30ANB-CUTT2G features an internal control loop, which is designed to optimize the response of the regulator. This control loop ensures that the output voltage stays within the desired tolerance range by monitoring the current and making adjustments accordingly. It also helps ensure a high level of noise immunity and fast transient response, making it suitable for automotive applications that require high accuracy and a fast reaction time. Furthermore, the S-817A30ANB-CUTT2G has over-current and overheating protection features to safeguard the regulator from damage.

Conclusion

In summary, the S-817A30ANB-CUTT2G is an automotive linear regulator from ON Semiconductor. It is ideal for use in applications that require a wide input voltage range, low quiescent current, and tight load regulation. This device uses a linear regulator with an internal control loop to keep the output voltage stable and within the desired tolerance range. Additionally, it features over-current and overheating protection to ensure a long lifespan.

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