Switching power is a power source that uses modern power electronic technology to control the time ratio of switching and turn off, and maintains a stable output voltage. Switching power is usually composed of IC and MOSFET controlled by pulse width modulation (PWM). With the development and innovation of power electronics technology, switching power supply technology is constantly innovating. At present, switching power is widely used in almost all electronic devices with the features of small, light and high efficiency. It is an indispensable power mode for the rapid development of the electronic information industry.
There are two kinds of modern switching power supply: one is DC switching power supply, the other is AC switching power supply.
Here is the main introduction of DC switching power supply, its function is the poor quality of the original ecological power (coarse electricity), such as power supply or battery power, to meet the requirements of the equipment to meet the requirements of high quality DC voltage (precision). The core of the DC switching power supply is the DC/DC converter. Therefore, the classification of DC switching power supply is based on DC/DC converter. In other words, the classification of the DC switching power supply is basically the same as the classification of the DC/DC converter. The classification of the DC/DC converter is basically the classification of the DC switching power supply.
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