同步整流低电压电源

同步整流器可以提高开关电源效率，特别是在低电压低功耗的应用程序。这篇文章比较同步整流器肖特基二极管类型，并说明了一些电路的技巧在其应用程序中非常有用。

Maxim>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:SynchronousRectificationAidsLow-VoltagePowerSuppliesJan31,2001APPLICATIONNOTE652SynchronousRectificationAidsLow-VoltagePowerSuppliesSynchronousrectifierscanimproveswitching-power-supplyefficiency,particularlyinlow-voltagelow-powerapplications.ThisarticlecomparessynchronousrectifierstoSchottky-diodetypesandillustratessomecircuittricksusefulintheirapplication.Tobesuccessful,thenextgenerationofportableproducts,suchaspersonalcommunicatorsanddigitalassistants,willhavetoprovideatleast12hoursofoperationbetweenbatterycharges.Mostoftheprogresstowardthis12-hourgoalmustcomefromRF,computer,andbattery