| 摘要 |
A method of regulating the supply voltage of a load by means of a switching voltage regulator having an inductor driven by at least a power switch for delivering current to an output capacitor having a certain parasitic series resistance, connected between the output node of the regulator and ground and to an electric load eventually connected in parallel to the output capacitor, comprises the operations of establishing a reference voltage, generating a comparison signal as the sum of a first voltage signal proportional to the current circulating in the inductor and of a second voltage signal depending on the difference between the output voltage and the reference voltage and on the first voltage signal, comparing the comparison signal with at least a threshold for generating a logic signal that switches between an active state and an inactive state and viceversa each time that the threshold is crossed, and commanding the turn on or the turn off of the switch in function of the state of the logic signal. <??>This method is implemented by a relative switching voltage regulator whose circuit parameters are defined according to a method of defining a switching voltage regulator. <IMAGE> |
