Switching power supply

- Jan 23, 2017 -

Principle and advantages: In the current into the switching power supply before the transformer, the first transistor switching function, the current frequency is usually raised to tens of thousands of HZ, high-frequency magnetic field changes in frequency up to tens of thousands HZ, And the core volume, greatly reduce the loss, the switching power supply efficiency of 90%, while the small size and output stability, so the switching power supply has advantages.

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