Control loop design for two-stage DC-DC converters with low voltage/high current output

This work presents a general analysis framework for control loop design of two-stage converters. The results yield a thorough explanation of various loop design approaches. A three-loop method to extend the system bandwidth is proposed. The new control design algorithm is applied to a 48 V/3.3 V two...

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Veröffentlicht in:	IEEE transactions on power electronics 2005-01, Vol.20 (1), p.44-55
Hauptverfasser:	Julian Yan Zhu, Lehman, B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Bandwidth Buck converters Control design Control loop dc-dc converter Electric currents Electrical engineering Electrical engineering. Electrical power engineering Exact sciences and technology Feedback loop Loops Low voltage multi-loop method Power electronics, power supplies Resonance Strontium Switches Topology two-stage converter Voltage control
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Beschreibung
Zusammenfassung:	This work presents a general analysis framework for control loop design of two-stage converters. The results yield a thorough explanation of various loop design approaches. A three-loop method to extend the system bandwidth is proposed. The new control design algorithm is applied to a 48 V/3.3 V two-stage converter. Experiments verify the effectiveness of the control loop design approach.
ISSN:	0885-8993 1941-0107
DOI:	10.1109/TPEL.2004.839872