上述电路产生-30V，+5V输入效率83％电源SLIC的集成电路在80毫安。基于MAX668变压器反激应用上，该电路采用自定义生成-30V的变压器。一个500kHz的开关频率允许使用陶瓷输出电容器。加入三分之一的陶瓷输出电容，输出电流可以增加至120mA。Maxim>AppNotes>AUTOMOTIVEPOWER-SUPPLYCIRCUITSKeywords:5VInputConverterGenerates-30Vat80mANov01,2000APPLICATIONNOTE4335VInputConverterGenerates-30Vat80mAAdditionalInformation:qQuickViewDataSheetfortheMAX668qQuickViewDataSheetfortheMAX4130qTechnicalSupport:PowerThiscircuitusestheMAX668andatransformer(whichwillneedaboutaone-to-sixturnsratio)tomakeaflybackconverter.Theopampinvertsthefeedbackfromthenegativeoutputvoltage.Thecircuitabovegenerates-30Vat80mAfroma+5Vinputwith83%efficiencytopowerSLICintegratedcircuits.BasedonaMAX668transformerflybackapplication,thecircuitemploysacustomtransformertogenerate-3
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