AS13985H27-T

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 AS13985H27-T is an Application-Specific Integrated Circuit (ASIC) designed to provide power supply regulation and control. It\'s a type of linear voltage regulator which is often referred to as an adjustable voltage regulator. Building on the classic design of a linear voltage regulator, it is designed for commercial and industrial systems requiring an adjustable output range at relatively low power levels.

Linear voltage regulators are used to provide a steady regulated supply of power to a circuit, providing it with the ability to adjust the output voltage depending on the device\'s needs. This is compared to a switching regulator, which can provide a much wider range of output voltage and power levels, but at a higher cost. With an AS13985H27-T, the output voltage is adjusted by the addition or subtraction of resistance to the voltage divider, making the design of the regulator extremely simple and cost-effective.

The AS13985H27-T specifically is designed to provide several advantages over including a very wide range of adjustable output voltages (1.5V to 60V), low quiescent current (20μA typ.) for low power operation, and a fast response time (45ns typ). In addition, the device is also relatively compact and has over-temperature, over-current, and over-voltage protection for maximum reliability.

The AS13985H27-T can be used in a wide range of applications. It\'s a very versatile device, with the adjustable output voltage making it applicable to a variety of needs, from core logic and memory power supplies to motor control, consumer goods and industrial automation. It\'s also very suited to battery charged systems, where input voltage variations can occur leading to further adjustment of the output voltage in order to ensure that all components within the system are supplied with the proper voltage.

The working principle of an AS13985H27-T is quite straight-forward. At the heart of the device is a voltage regulator, which constantly monitors the output voltage of the system and paired with a feedback loop provides a means of regulating the output voltage, regardless of input voltage fluctuations or additional loads being introduced. These fluctuations or additional loads will cause a voltage drop or increase on the output voltage, which can easily be compensated by adjusting the feedback loop.

The voltage regulator is made up of two major elements – a reference voltage source and an error amplifier. The reference voltage source is quite accurately set, and provides a stable reference point against which the output voltage of the system is compared. The error amplifier monitors the difference between the reference voltage and the output of the system, and then instructs the output transistor to increase or decrease the amount of current flowing through it in order to raise or lower the voltage.

Overall, the AS13985H27-T offers excellent stability and reliability for a wide range of applications and voltage range requirements. The adjustable output voltage allows for maximum flexibility, while the over-temperature, over-current and over-voltage protection ensures safe and reliable operation. With its excellent range of features, it\'s no wonder the AS13985H27-T is such a popular device for power supply regulation and control.

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