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DC regulated power supplies are prone to various issues during use, such as abnormal output, false triggering of protection mechanisms, and adjustment failures. These problems are mostly related to wiring, internal components, and load matching. Below are common high-frequency faults and their corresponding detailed solutions, integrating the common fault scenarios of multiple devices: 1....

In the application scenarios of DC stabilized power supplies, output ripple—one of the core indicators for measuring power supply quality—directly determines equipment’s operating status, performance, and service life. It refers to the AC component superimposed on the power supply’s output voltage; though seemingly weak, it can cause a series of equipment abnormalities. Moreover, ripple...

If the output voltage/current of a DC regulated power supply is unstable and the fluctuation exceeds the allowable range, affecting the normal operation of the load, the core solution is to first locate the source of the fluctuation (load, power supply itself, external interference), then resolve it step by step by inspecting the load,...

Today, more devices—from smartphones and tablets to laptops and smart home gadgets—come with USB-C ports as standard. Matching this trend, power supplies with USB-C ports (such as multi-port fast chargers, portable power banks, and DC regulated power supplies) are gradually replacing traditional USB-A models, becoming the "mainstay power source" in daily life and work....

Output parameter anomalies (instability, failure to reach set values, voltage drop under load, excessive ripple) can be addressed by following the approach of "quick initial checks first, then targeted solutions". The specific steps are as follows: I. General Quick Checks (Perform These First for All Anomalies) Inspect the input power supply to ensure the...