标签: hb

HB系列温度_温湿度传感器.pdf

尽管HBLED驱动器所必需的性能特点能罗列出很多，但是由LED驱动器驱动的LED必须能从可能最低的功率提供光输出的必要的流明，并且不致引起明显的热设计限制。就大功率HBLED产品的设计而言，既有高效率LED、又有驱动这些LED的高性能LED驱动器可用。……

摘要：利用热电发电机（TEG）检测表面温度和升压开关稳压器，一个有用的水平提高甘醇输出，报警电路，闪烁的高亮度发光二极管的表面温度超过阈值时。Maxim>AppNotes>CircuitProtectionKeywords:hot-surfacewarning,SeebeckEffect,stepupswitchingregulator,boostregulator,thermoelectricgenerator,TEG,high-Dec06,2010brightnessLEDs,HBLEDsAPPLICATIONNOTE4535Hot-SurfaceWarningLightRequiresNoExternalPowerAbstract:Usingathermoelectricgenerator(TEG)tosensethetemperatureofasurfaceandastep-upswitchingregulatortoboosttheTEGoutputtoausefullevel,thiswarningcircuitflashesahigh-brightnessLEDwhenthesurfacetemperatureexceedsathreshold.AsimilarversionofthisarticleappearedintheFebruary4,2008issueofMachineDesignmagazine.Becauseahot-surfacewarninglightaffectspersonnelsafety,itmustoperatereliablywheneverthesurfaceishot.Heat,however,complicatesth……