LGA75A-24-J1

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AC/DC converters are a type of electrical device used to convert alternating current (AC) to direct current (DC). The LGA75A-24-J1 is a DC-DC converter developed by Murata Power Solutions that is designed to convert AC line voltage ( 110-230 VAC) into a regulated DC output voltage ( 24V DC).

Construction

The LGA75A-24-J1 consists of a high frequency DC-DC buck converter in a 4-pin DIP package. It is equipped with a built-in active-clamp Shut-Down (SHDN) circuit and high-speed switch for shutdown control. It also includes short-circuit protection and thermal protection features, which protect the converter from overload and short circuit. The figure below shows the construction of the converter with the main components.

Working principle

The LGA75A-24-J1 is based on the buck converter principle. The circuit consists of a high frequency switching circuit, an inductor, a diode, and a capacitor. In operation, the high frequency switching circuit is alternately turned on and off, according to the input voltage. When it is on, the input voltage is applied to the inductor, which stores the energy in magnetic form. When the circuit is off, the stored energy is provided to the output, through the diode. The capacitor is used to filter the output voltage, to provide a stable output. The LGA75A-24-J1 is capable of providing output currents of up to 1.4A. The output voltage is adjustable over a range of 10V to 24V, depending on the application.

Applications

The LGA75A-24-J1 is ideal for a number of applications, including portable equipment, LED lighting, radio transceivers, automotive, power supplies, laboratory equipment and instrumentation. It can also be used for powering active cancellation systems, ultrasound imaging systems, and medical equipment. The wide range of output voltages makes it suitable for a variety of applications.

Conclusion

The LGA75A-24-J1 is a high efficiency, high frequency DC-DC buck converter designed for a variety of applications. It is equipped with a SHDN circuit and high-speed switch for shutdown control, and short-circuit protection and thermal protection features. It is capable of providing output currents up to 1.4A, and can be used to power a variety of portable equipment, LED lighting, radio transceivers, automotive, power supplies, laboratory equipment, instrumentation, active cancellation systems, ultrasound imaging systems and medical equipment.

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