Transformer circuit and method for lowering no-load power consumption
A transformer circuit and transformer technology, applied in the electronic field, can solve problems such as increased voltage drop, increased no-load power consumption, and increased
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[0017] Embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0018] The invention discloses a transformer circuit and a method for reducing no-load power consumption, which can reduce the voltage drop on components of the auxiliary winding when the output voltage of the auxiliary winding is high, thereby reducing the no-load power consumption. Each will be described in detail below.
[0019] see figure 1 , figure 1 It is a structural schematic diagram of a transformer circuit disclosed by the present invention. like figure 1 As shown, the transformer circuit includes a transformer 30 and an auxiliary winding circuit 10. The auxiliary winding circuit 10 is used to supply power to the chip 20. The transformer 30 includes an iron core 34, a primary winding 32, a secondary winding 33 and an auxiliary winding 31. The auxiliary winding circuit 10 Connect the auxiliary winding 31 of the transformer 30. The auxiliary winding ...
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