The composition of switching power supply

The composition of switching power supply title=

Control circuit
On the one hand, samples are taken from the output terminal and compared with the set value, and then the inverter is controlled to change its pulse width or pulse frequency to stabilize the output. On the other hand, according to the data provided by the test circuit, it is identified by the protection circuit to provide The control circuit carries out various protection measures for the switching power supply.
Detection circuit
Provide various parameters and various instrument data in operation in the protection circuit.
Auxiliary power supply
Realize the software (remote) start of the switching power supply, and supply power for the protection circuit and control circuit (chips such as PWM).

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