Document Type and Number:
Japanese Patent JPWO2022190162
Kind Code:
A1
Abstract:
A switching power supply apparatus includes: a pair of input terminals; a pair of output terminals; a transformer; an inverter circuit including first to fourth switching devices, a first capacitor, and a changeover switch; a rectifying and smoothing circuit including a rectifying circuit with rectifying devices and a smoothing circuit with an inductor and a second capacitor; and a driver. The first and second switching devices are coupled in series between a pair of coupling lines each coupled to corresponding one of the input terminals. The third and fourth switching devices are coupled in series between the coupling lines. The first capacitor and a primary winding are coupled in series in no particular order between a first node between the first and second switching devices and a second node between the third and fourth switching devices. The changeover switch is coupled in parallel to the first capacitor.
Application Number:
JP2023504884A
Publication Date:
September 15, 2022
Filing Date:
March 08, 2021
Export Citation:
