Switching power supply is one of the power modules. It is also a very common power supply. The reason why the word switch is added is because its internal structure has a Schottky diode with switching characteristics. This diode has a high switching frequency and can quickly switch off in a short period of time. Thousands of times. And every time it can supply power and current output, this power supply plays an important role in general integrated circuits. Because it is so important, the precautions for its use must not be ignored. The details are as follows:

Notes on switching power supply:

1. Before using the power supply, make sure that the input and output voltage specifications are consistent with the nominal value of the power supply used.

2. Before powering on, check whether the input and output leads are connected correctly, so as not to damage the user equipment.

3. In order to ensure the safety of use and reduce interference, please ensure that the grounding terminal is reliably grounded.

4. Please note: Frequent switching of the power supply will affect its life.

5. The working environment and load level will also affect its life.

6. Check whether the installation is firm, whether the installation screws are in contact with the power board components, and measure the insulation resistance of the casing and the input and output to avoid electric shock.

7. The multi-output power supply is generally divided into main and auxiliary outputs. The main output has better characteristics than the auxiliary output. Generally, the output with the largest output current is the main output. In order to ensure the output load adjustment rate and output dynamics and other indicators, generally each channel is required to carry at least 10% load. If the auxiliary road is used instead of the main road, the main road must be properly dummy load. For details, please refer to the specifications of the corresponding models.

The above information about what to pay attention to when using switching power supply will be shared here. Generally speaking, switching power supply needs to pay attention to many places. Only when the above matters are taken into account, can it be avoided that it cannot be normal. The use case appears.