A memory comprising a word line having a word line voltage, a charge pump coupled to the word line, and a dynamic feedback control circuit coupled to the charge pump. The dynamic feedback control circuit is configured to boost the word line voltage to a predetermined voltage value greater than a target threshold voltage, change a clock frequency of a clock signal supplied to the charge pump from a non-zero frequency to a zero frequency if the word line voltage is above the predetermined voltage value, and change the clock frequency from the zero frequency to the non-zero frequency if the word line voltage is below the target threshold voltage.