LED电路驱动器的混合类型和数量

摘要：本应用笔记介绍一种技术，它允许你混合LED的数量和类型，并要求只有一个电源电压。

Maxim>Designsupport>Appnotes>AmplifierandComparatorCircuits>APP1862Maxim>Designsupport>Appnotes>DisplayDrivers>APP1862Maxim>Designsupport>Appnotes>Power-SupplyCircuits>APP1862Keywords:WLED,WhiteLED,activeballast,currentmirror,LED,boost,LEDdriver,transistorJan24,2003APPLICATIONNOTE1862CircuitDrivesMixedTypesandQuantitiesofLEDsAbstract:ThisapplicationnotepresentsatechniquethatallowsyoutomixLEDquantitiesandtypes,andrequiresjustonepower-supplyvoltage.AsimilarversionofthisarticleappearedintheOctober3,2002issueofEDNmagazine.PortablesystemsoftenuseLEDsofdiffere