CONTROL CIRCUIT FOR REDUCING ELECTROMAGNETIC RADIATION AND CONTROL METHOD THEREOF, AND ISOLATED POWER SUPPLY SYSTEM
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Aug 15, 2023
filing date -
Aug 15, 2023
priority date (Note) -
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Abstract
Control circuits for reducing electromagnetic radiation and control methods thereof, and isolated power supply systems are disclosed. The control circuit includes: an inverter circuit, a first adaptive control circuit, a first oscillation circuit and a first driving circuit, the inverter circuit outputs a first voltage signal and a second voltage signal; the first oscillation circuit generates and outputs a first oscillation signal, a first sampling end of the first adaptive control circuit couples to the first voltage signal, a second sampling end of the first adaptive control circuit couples to the second voltage signal, an input end of the first adaptive control circuit connects with an output end of the first oscillation circuit, an output end of the first adaptive control circuit connects with an input end of the first driving circuit, and an output end of the first driving circuit connects with a control end of the inverter circuit.
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