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EnglishThis brief presents a fully integrated dc-dc converter consisting of only two CMOS chips, which are a power oscillator with an integrated transformer and a full-bridge rectifier. A thick inter-metal oxide layer guarantees a galvanic isolation rating as high as 5 kV. A current-reuse hybrid-coupled oscillator is proposed, which is based on a three-winding tapped isolation transformer and improves both output power and silicon area occupation with respect to previous works. The converter is operated at 5-V power supply and is able to deliver up to 300-mW dc power at 10-V output voltage while exhibiting a power density and a power efficiency of 36 mW/mm2 and 24%, respectively.
| Titolo: | A galvanically isolated DC-DC converter based on current-reuse hybrid-coupled oscillators | |
| Autori interni: | ||
| Data di pubblicazione: | 2017 | |
| Rivista: | ||
| Handle: | http://hdl.handle.net/20.500.11769/20464 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/20.500.11769/20464
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