稳压电荷泵提供 50ma 参考电平

图1的替代品在地方的外部电感器和二极管通常与开关稳压器IC1的电压三倍器的DC-DC转换电路。反相和同相驱动器中的MOSFET驱动芯片（IC2）的激活一个二极管/电容网络（D1-D3的C1-C3）的三倍。基于单极性司机电荷泵相比，IC2的缓冲/逆变器的结合，使该电路提供更符合当前更少的部件。

Maxim>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:RegulatedChargePumpDelivers50mAJul09,1998APPLICATIONNOTE35RegulatedChargePumpDelivers50mATheDC-DCconvertercircuitofFigure1substitutesavoltagetriplerinplaceoftheexternalinductoranddiodenormallyassociatedwithswitchingregulatorIC1.InvertingandnoninvertingdriversintheMOSFET-driverchip(IC2)activateadiode/capacitortriplingnetwork(D1-D3,C1-C3).Incomparisonwithchargepumpsbasedonsingle-polaritydrivers,thebuffer/invertercombinationofIC2enablesthiscircuittodelivermorecurrentwithfewerparts.Thediode-capacitortriplernetworkinthisstep-upswitchingregulatordevelops10Vf