Optimum buck converter with a single switch

Optimum buck converter with a single switch

A new DC-DC power converter with only one active switch operating at a constant switching frequency and with low-current and voltage stress is proposed. The conduction losses are minimized because of the ability to use a minimum number of elements in the path of direct energy transfer from the input...

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Veröffentlicht in:IEEE transactions on power electronics 1999-07, Vol.14 (4), p.636-642
Hauptverfasser: Divakar, B.P., Sutanto, D.
Format: Artikel
Sprache:eng
Schlagworte:
Buck converters
DC-DC power converters
Diodes
Electric power
Electrical engineering
Electronics
Energy exchange
Optimization
Power converters
Stress
Switches
Switching
Switching circuits
Switching converters
Switching frequency
Voltage
Zero current switching
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Beschreibung
Zusammenfassung:A new DC-DC power converter with only one active switch operating at a constant switching frequency and with low-current and voltage stress is proposed. The conduction losses are minimized because of the ability to use a minimum number of elements in the path of direct energy transfer from the input to the load. Furthermore, because only one switch is used, the design of the control circuit is greatly simplified. The new power converter achieves soft switching for the diodes and zero-current switching (ZCS) at turn on for the active switch.
ISSN:0885-8993
1941-0107
DOI:10.1109/63.774200