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Dual feedback switching power supply regulator for isolated chassis
Dual feedback switching power supply regulator for isolated chassis
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机译:用于隔离式机箱的双反馈开关电源稳压器
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摘要
A regulating switched mode power supply for a video display apparatus provides electrical isolation between the load circuits and the AC line. A power transformer incorporates a regulator winding referenced to AC line ground potential. First and second feedback circuits develop first and second feedback signal components that are applied to a regulator control circuit which controls the conduction of the power supply switching transistor. The two feedback circuits have different time constants to accurately monitor load circuit loading conditions in order to maintain load circuit voltage level regulation.
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