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How to judge the quality of a switching power supply?

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.03.26
Switching power supply is a type of power supply that utilizes modern power electronics technology to control the time ratio of switching on and off, and maintain a stable output voltage. A good switching power supply should have the following characteristics:


Kinri Energy's switching power supply

High efficiency: The conversion efficiency of switch mode power supplies is generally over 80%, and some can even reach over 90%, resulting in less energy waste and lower heat generation.

Small output ripple: The output ripple of a switching power supply is generally within a few tens of mV, and some can even reach a few mV, so the output voltage is stable and suitable for situations with high power requirements.

Wide input voltage range: The input voltage range of a switching power supply is generally between 100-240V, and some can even reach 90-264V, making it suitable for a wide range of applications and can adapt to different power grid environments.

High output current: The output current of a switching power supply is generally between a few amperes to several tens of amperes, and some can even reach several hundred amperes, so it can meet the needs of high-power equipment.

Complete protection function: Switching power supplies generally have protection functions such as short circuit protection, overcurrent protection, overvoltage protection, undervoltage protection, etc., which can improve the reliability and safety of the power supply.

Small size and light weight: Switching power supplies are generally small in size and light in weight, making them easy to carry and install.

In short, a good switching power supply should have characteristics such as high efficiency, small output ripple, wide input voltage range, large output current, complete protection functions, small size and light weight.
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