disclosed is a charge - pump and a dynamic charge - pump device including the same . by switching the plurality of voltage sources , the output voltage of the charge - pump can be compensated , and changed output voltage of the charge pump is utilized to adjust a voltage as power source or ground source of a loading circuit . a detection circuit may further be included in the charge - pump for detecting the voltage or current of the loading circuit , and the minimum output voltage of the charge pump may be chosen to adjust the voltage - drop of the loading circuit , and the variation of the voltage of the loading circuit can be brought back within a predetermined range , such that the operational efficiency of the loading circuit may not be influenced . moreover , the adjustment may be performed according to the different operation modes of the loading circuit , and the power consumption can be decreased .