LM317AT/NOPB

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The LM317AT/NOPB, or LM317 for short, is a three terminal adjustable positive linear voltage regulator. It is one of the most common voltage regulators and is widely used in consumer electronics. It is a voltage regulator from the PMIC - Voltage Regulators - Linear category, and is used in a range of applications from computing and networking to home appliances and automotive. The LM317 is a simple, easy to use and cost effective voltage regulator, and is the first choice for many designers when considering positive voltage regulation.

The LM317AT/NOPB is an adjustable 1.2-37V, 1A voltage regulator which can be easily adjusted to produce a regulated output voltage anywhere between 1.2V and 37V. It is a three-terminal device, with a pair of adjustment terminals which allow the user to adjust the output voltage according to their requirements. The LM317 also has an in-built thermal shutoff which is designed to prevent the chip from overheating. Additionally, it features internal current limiting, thermal overload protection and safe area compensation.

The working principle of the LM317AT/NOPB is relatively simple. The chip takes an unregulated DC voltage from an external power source and passes it through a series of adjustable and non-adjustable voltage dividers, which set the reference voltage for the internal comparator. The comparator then compares the reference voltage to the voltage source and produces an output signal based on the difference. The output signal is then used to control the internal pass device, which regulates the output voltage. The output voltage can be adjusted by changing the voltage dividers, which in turn changes the reference voltage that is compared to the voltage source.

The LM317AT/NOPB is used in a variety of applications, such as computer and network equipment, automotive, audio and video equipment, home appliances, telecommunications and many others. It can also be used in battery-backed-up systems, where it provides regulated power to the load when the main power fails. Additionally, it can be used to convert a lower voltage to a higher voltage, or to maintain a constant output voltage in the presence of load variations.

The LM317AT/NOPB is easy to use and cost effective, making it an ideal voltage regulator for a range of applications. Its simple and reliable design makes it a popular choice for designers looking for an adjustable positive voltage regulator. Additionally, the chip\'s thermal shutoff, current limiting, and thermal overload protection makes it a safe and secure option.

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