Patent ID: 8476884

Claim:
A method for controlling a converter of the multiphase interleaving type, the converter including a plurality of phases, the method comprising the steps of: detecting when a change of a load applied to an output terminal of the converter occurs; in response to detecting a change of the load applied to the output terminal of the converter, simultaneously turning off all of the phases of the converter; and recovering a driving interleaving phase shift so as to restart a normal operation of the converter, wherein the simultaneously turning off step comprises generating a turn-off control signal that is applied to the phases by comparing one of a control voltage signal of the phases and an inner voltage signal of the converter with a control signal, the control signal being brought to a determined voltage value in correspondence with a detection impulse signal, and the detecting step comprises providing a controller, the controller including: at least one input terminal of the controller, the input terminal of the controller being connected to the output terminal of the converter; a voltage generator generating an inner voltage reference; an input amplifier having a first input terminal coupled to the inner voltage reference, a second input terminal coupled to the output terminal of the converter, and an output terminal; and an output amplifier having a first input terminal connected to the output terminal of the input amplifier, the voltage generator being directly connected to a second input terminal of the output amplifier and being connected through a first resistive element to the first input terminal of the input amplifier, wherein the first input terminal of the input amplifier is connected to the inner voltage reference, and the second input terminal of the input amplifier is connected to the input terminal of the controller.