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时间: 2019-12-24 18:04
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摘要:调整供电电压水平和调整电压利润率为需要,这种电路介绍运算放大器(MAX5481)和数字电位器(MAX4245)来控制电压调节器的反馈电压。Maxim>Designsupport>Appnotes>AmplifierandComparatorCircuits>APP4564Maxim>Designsupport>Appnotes>BatteryManagement>APP4564Maxim>Designsupport>Appnotes>DigitalPotentiometers>APP4564Keywords:digitalpotentiometer,analog-voltagecontrol,op-ampbuffersJan20,2011APPLICATIONNOTE4564AddPreciseOutputAdjustmenttoLow-VoltageSuppliesAbstract:Totweaksupply-voltagelevelsandadjustvoltagemarginsasrequired,thiscircuitintroducesanopamp(MAX5481)anddigitalpotentiometer(MAX4245)tocontrolthefeedbackvoltagetothevoltageregulator.AsimilarversionofthisarticleappearedintheDecember20,2006issueo……