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The working principle and importance of linear regulated power supply

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.05.23
A linear regulated power supply is a device that converts unstable or irregular power sources into stable and regular output voltages. It is an indispensable component in many electronic devices and systems, such as computers, communication devices, and medical instruments. Below, we will provide a detailed analysis of the working principle of linear regulated power supplies and their importance in modern electronic devices.


linear regulated power supply

The basic working principle of linear regulated power supply

The basic working principle of a linear regulated power supply can be summarized as: maintaining stable output voltage by adjusting the internal voltage or current of the power supply. Its core component is an electronic component called a linear regulator, which adjusts the current based on changes in output voltage to maintain stable output voltage.

When the input voltage changes, the linear regulator will detect the change in output voltage and immediately adjust its internal resistance to maintain the stability of the output voltage. This process is continuous, so the output voltage can quickly adapt to changes in input voltage and maintain a stable output.

In addition, the linear regulated power supply also removes noise and interference from the input power supply through filtering circuits to further improve the stability and purity of the output voltage.

The importance of linear regulated power supply

Linear regulated power supplies play a crucial role in modern electronic devices. Firstly, it provides a stable and reliable power supply for electronic devices, ensuring that they can function properly. If the power supply is unstable, it may lead to a decrease in device performance and even damage the device.

Secondly, the linear regulated power supply also provides isolation and protection for the input power supply. It can prevent noise and interference in the input power supply from causing damage to electronic devices and protect them from damage.

In addition, linear regulated power supplies also have advantages such as high efficiency, low power consumption, and low temperature drift. This enables it to perform well in various application scenarios, especially in applications that require high-precision and high stability power supplies, such as medical instruments and research equipment.

Conclusion

Linear regulated power supply provides stable and reliable power supply for modern electronic devices through its unique working principle and excellent performance. It is an indispensable part of electronic devices, which is of great significance in ensuring the normal operation of the equipment and extending its lifespan. In the future, with the continuous development of electronic device technology, linear regulated power supplies will continue to play an important role in the field of power management.
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