[图片][图片][图片]能不能发份原理图及芯片资料看一看，新手刚学习PSR，973083347@qq.com，先谢谢您了！！！

拓扑应该是LLC的，工作在谐振点附近。。。。

[图片][图片][图片]肿么不见升压电感的设计部分捏。。。请详讲！！！

怎么没有人？正想学习正激电源呢

UtilizingthecircuitdesignsperfectedforQuadOperationalAmplifiers,thesedualoperationalamplifiersfeaturelowpowerdrain,acommonmodeinputvoltagerangeextendingtoground/VEE,andsinglesupplyorsplitsupplyoperation.TheLM358seriesisequivalenttoone−halfofanLM324.Theseamplifiershaveseveraldistinctadvantagesoverstandardoperationalamplifiertypesinsinglesupplyapplications.Theycanoperateatsupplyvoltagesaslowas3.0Vorashighas32V,withquiescentcurrentsaboutone−fifthofthoseassociatedwiththeMC1741(onaperamplifierbasis).Thecommonmodeinputrangeincludesthenegativesupply,therebyeliminatingthenecessityforexternalbiasingcomponentsinmanyapplications.Theoutputvoltagerangealsoincludesthenegativepowersupplyvoltage.

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