Abstract
This paper provides an analysis of the operation of the pulse voltage stabilizer with a digital control contour, which uses a linear dependence between power switch opening pulse duration and the output voltage deviation from the nominal one. The influence of the errors, caused by digital data representation, on the control loop output impulse duration was evaluated. The conditions that minimize the influence of these errors on the stabilizer operation are revealed.
Highlights
Nowadays, the sources of stabilized voltage are being used almost everywhere
The applying of the digital control contour, instead of the analog one, in the pulse stabilizers eliminates the temperature and time drift of parameters, which is typical for analog circuits and is being a modern subject of study [3,4,5]
The key control device aimed to generate a key-opening pulse, which duration depends on the deviation of a measured output voltage from the reference voltage
Summary
The sources of stabilized voltage are being used almost everywhere. When constructing such sources, developers prefer the pulse voltage stabilizers since, compared to linear stabilizers, they have indisputable and very significant advantages - this is a high efficiency, and, as a result, low heat generation, as well as low weight and small overall dimensions [1,2]. The model of the pulse voltage stabilizer contains some power nodes - a key, an inductance coil, a diode, a key control device and a reference voltage source [6, 7].
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