LM350AT

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The LM350AT is a three-terminal adjustable regulator that can provide up to 1.5A of output current. The voltage range of the LM350AT is adjustable from 1.2 volts to 24 V by varying the value of two external resistors. The LM350AT is one of the most popular linear regulators available in the market and is widely used in a variety of applications.

Application Field

The LM350AT is primarily used in applications where a low ripple output current is necessary, such as powering high-precision analog circuits, timing circuits, and general power supplies. The LM350AT is also suitable for applications demanding small size, low cost, and improved heat dissipation such as automotive and medical equipment. It is well matched with transformer, switching and wall-powered supplies. The device provides a very stable output over line, load, temperature and time.

Working Principle

The LM350AT is a three-terminal adjustable voltage regulator. The device consists of two major circuit blocks, an error amplifier and a series regulator pass element. The input voltage is applied to the device terminals and the internal error amplifier compares the available input voltage versus a precise reference voltage. If there is a discrepancy between the two, the output voltage is adjusted until it reaches equilibrium with the reference voltage. The output voltage is determined by the setting of the two external resistors. A feedback loop is established between the output voltage and the error amplifier input which keeps the output voltage in regulation over load and line variations.

In thermal overload protection, the device is designed to provide an adequate thermal shut down at power levels as high as 350W with 0.5N.C. mounting. The output voltage can be adjusted by varying the values of two external resistors. The LM350AT also has a foldback circuit that limits the output current to an acceptable level in the event of a short-circuit or overload.

The LM350AT is an efficient, low power device ideal for small, low current applications. It is well suited for use in applications where high standards of regulation are desired, such as hobbyists\' projects and commercial products. The device is easily adjustable and can be quickly set up for custom voltage requirements. With a wide selection of features, the LM350AT is a reliable solution for voltage regulation applications.

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