Method of regulating the supply voltage of a load and...

Details Method of regulating the supply voltage of a load and... Method of regulating the supply voltage of a load and...

2005-05-17

2005-05-17

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S285000

Reexamination Certificate

active

06894471

ABSTRACT:
The method is for regulating the supply voltage of a load via 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. The method includes 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. The comparison signal is compared 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 the turn on or the turn off of the switch is controlled as a function of the state of the logic signal.

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patent: 2001339953 (2001-07-01), None

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