LM7824CT

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The LM7824CT component is part of the 8024CT series. It is used as a three-terminal fixed-voltage regulator made by ON Semiconductor Inc. It is a higher performance component used particularly for applications that require a high-temperature operating range, typically greater than 150°C.

It can provide a regulated output current up to 1.5A depends on the heat sink used. Its output voltage is preset at either of two values, 24V or 30V. It features an output voltage tolerance improved over the standard 78xx device family, with an accuracy of ±2%. The LM7824CT also offers a full protection feature set and a high input voltage range to operating temperature, making it an ideal choice for many power requirements.

Application field

The LM7824CT voltage regulator finds applications in distributed power systems, medical, industrial, computer and consumer electronics, as well as standby power supplies, telecom and automotive systems. These voltage regulators are typically used with line-powered and battery-powered electronics. It can be used when a high-density, low dropout voltage regulator is needed, such as power conversion in battery operated systems.

Working principle

The LM7824CT works by controlling the output voltage by comparing a reference voltage to a voltage signaled by an external resistor divider network. It provides a stable output current with a high level of precision. The output voltage is established with the use of a voltage divider network, which generates a feedback voltage proportional to the output voltage. This feedback voltage is compared to a reference voltage and the differences, known as error signals, will be applied to the input of the amplifier, which will adjust the voltage to the desired output voltage.

The other key components of the LM7824CT step up regulator include the following: voltage reference, error amplifier, power transistor, and output voltage sensing circuit. The voltage reference sets the reference voltage and sets the accuracy with which the output voltage is regulated. The error amplifier amplifies the difference in the output and reference voltage. The power transistor is the main switching element in the step-up regulator and allows for control of the output current. Finally, the output voltage sensing circuit sets the output voltage.

The LM7824CT voltage regulator is an ideal choice for applications that require an accurate and high-temperature-operating solution. It offers a wide range of performance specifications at an affordable price, making it an ideal solution for many power applications. It features an output voltage tolerance of ±2% or better, high input voltage range, and full protection features, such as over-voltage, under-voltage, and over-temperature protection.

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