DC and small-signal circuit models for the PWM buck converter operated in the continuous conduction mode (CCM) are given and applied to a buck converter . The model taking in to account the parasitic components, such as the equivalent series resistance (ESR) of the filter inductor, the ESR of the filter capacitor, the transistor on resistance, and the diode forward resistance and offset voltage. The dc voltage transfer function, the control-to-output transfer function, the input and the output impedance are automatically derived and plotted by means of a dedicated computer program. The main advantage of the proposed method is the application of a linear equivalent circuit of the converter considering the overall parasitic component to a simulation program so that the feedback-loop is accurately designed with a computer aid.
Feedback-loop computer aided design for PWM DC-DC converters operated in continuous conduction mode and its application for a buck converter / F. Grasso; A. Reatti;. - STAMPA. - III:(2004), pp. 283-286. (Intervento presentato al convegno The 2004 47th Midwest Symposium on Circuits and Systems Conference Proceedings tenutosi a Hiroshima, Japan nel 25-28 July 2004) [10.1109/MWSCAS.2004.1354349].
Feedback-loop computer aided design for PWM DC-DC converters operated in continuous conduction mode and its application for a buck converter
GRASSO, FRANCESCO;REATTI, ALBERTO
2004
Abstract
DC and small-signal circuit models for the PWM buck converter operated in the continuous conduction mode (CCM) are given and applied to a buck converter . The model taking in to account the parasitic components, such as the equivalent series resistance (ESR) of the filter inductor, the ESR of the filter capacitor, the transistor on resistance, and the diode forward resistance and offset voltage. The dc voltage transfer function, the control-to-output transfer function, the input and the output impedance are automatically derived and plotted by means of a dedicated computer program. The main advantage of the proposed method is the application of a linear equivalent circuit of the converter considering the overall parasitic component to a simulation program so that the feedback-loop is accurately designed with a computer aid.File | Dimensione | Formato | |
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