A switching power supply circuit and airborne equipment
A technology of switching power supply circuit and voltage conversion circuit, which is applied in the direction of circuit device, emergency power supply arrangement, emergency protection circuit device, etc. It can solve the problems that the switching power supply circuit cannot continue to work normally, and the use of airborne equipment is limited, so as to achieve safety and reliability. High performance and wide application range
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[0054] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0055] refer to figure 1 , which is a schematic structural diagram of a switching power supply circuit provided according to a preferred embodiment of the present invention. The switching power supply is mainly composed of an input stage circuit, a voltage conversion circuit and a control circuit. The input stage circuit is used to provide a DC input voltage for the voltage conversion circuit, and the voltage conversion circuit outputs a desired DC output voltage under the control of the control circuit, and the control circuit outputs the desired DC output voltage according to the output voltage of the voltage conversion circuit. output voltage to control conversion of the voltage conversion ...
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