A Single-Inductor Switching DC–DC Converter With Five Outputs and Ordered Power-Distributive Control

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dc.contributor.authorLe, Hanh-Phuc-
dc.contributor.authorChae, Chang-Seok-
dc.contributor.authorLee, Kwang-Chan-
dc.contributor.authorWang, Se-Won-
dc.contributor.authorCho, Gyu-Ha-
dc.contributor.authorCho, Gyu-Hyeong-
dc.date.accessioned2008-07-25T08:00:17Z-
dc.date.available2008-07-25T08:00:17Z-
dc.date.issued2007-12-
dc.identifier.citationSolid-State Circuits Conference, 2007. ISSCC 2007. Digest of Technical Papers. IEEE Internationalen
dc.identifier.issn0018-9200-
dc.identifier.urihttp://hdl.handle.net/10203/6502-
dc.description.abstractAn integrated five-output single-inductor multiple- output dc-dc converter with ordered power-distributive control (OPDC) in a 0.5 m Bi-CMOS process is presented. The converter has four main positive boost outputs programmable from +5 V to +12 V and one dependent negative output ranged from 12 V to 5 V. A maximum efficiency of 80.8% is achieved at a total output power of 450 mW, with a switching frequency of 700 kHz. The performance of the converter as a commercial product is successfully verified with a new control method and proposed circuits, including a full-waveform inductor-current sensing circuit, a variation-free frequency generator, and an in-rush-current-free soft-start method. With simplicity, flexibility, and reliability, the design enables shorter time-to-market in future extensions with more outputs and different operation requirements.en
dc.language.isoen_USen
dc.publisherIEEEen
dc.subjectOrdered power-distributive control (OPDC)en
dc.subjectsingle-inductor multiple-output (SIMO) converteren
dc.titleA Single-Inductor Switching DC–DC Converter With Five Outputs and Ordered Power-Distributive Controlen
dc.typeArticleen
dc.identifier.doi10.1109/JSSC.2007.908767-

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