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A Single-Inductor Switching DC-DC Converter With Five Outputs and Ordered Power-Distributive Control
An integrated five-output single-inductor multiple-output dc-dc converter with ordered power-distributive control (OPDC) in a 0.5 mum 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 t...
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Published in: | IEEE journal of solid-state circuits 2007-12, Vol.42 (12), p.2706-2714 |
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container_end_page | 2714 |
container_issue | 12 |
container_start_page | 2706 |
container_title | IEEE journal of solid-state circuits |
container_volume | 42 |
creator | LE, Hanh-Phuc CHAE, Chang-Seok LEE, Kwang-Chan WANG, Se-Won CHO, Gyu-Ha CHO, Gyu-Hyeong |
description | An integrated five-output single-inductor multiple-output dc-dc converter with ordered power-distributive control (OPDC) in a 0.5 mum 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. |
doi_str_mv | 10.1109/JSSC.2007.908767 |
format | article |
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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. 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Solid state devices ; Signal convertors ; single-inductor multiple-output (SIMO) converter ; soft-start ; Switching ; Switching converters ; Switching frequency ; Time to market ; Topology ; Voltage ; zero-current sensor</subject><ispartof>IEEE journal of solid-state circuits, 2007-12, Vol.42 (12), p.2706-2714</ispartof><rights>2008 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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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.</description><subject>Applied sciences</subject><subject>Circuit properties</subject><subject>Circuits</subject><subject>Converters</subject><subject>DC-DC power converters</subject><subject>Design. Technologies. Operation analysis. Testing</subject><subject>Detection</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Flexibility</subject><subject>Frequency conversion</subject><subject>Frequency generators</subject><subject>Inductors</subject><subject>Integrated circuits</subject><subject>Magnetic devices</subject><subject>Ordered power-distributive control (OPDC)</subject><subject>Power generation</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Signal convertors</subject><subject>single-inductor multiple-output (SIMO) converter</subject><subject>soft-start</subject><subject>Switching</subject><subject>Switching converters</subject><subject>Switching frequency</subject><subject>Time to market</subject><subject>Topology</subject><subject>Voltage</subject><subject>zero-current sensor</subject><issn>0018-9200</issn><issn>1558-173X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqF0c9rFDEUB_AgCq7Vu-AlCNrTrHn5Mckcy6ytlcIKq-gtZDNvbMp0Zk0yLf73Ztii4EFPIXmf90jyJeQlsDUAa9593O3aNWdMrxtmdK0fkRUoZSrQ4ttjsmIMTNWU-lPyLKWbspXSwIp0Z3QXxu8DVpdjN_s8Rbq7D9lfl0O6aatNS9tpvMOYMdKvIV_T83CHdDvnw5wTdWNHt7HDiB39NN1jrDYh5Rj2c15Yac1xGp6TJ70bEr54WE_Il_P3n9sP1dX24rI9u6q8VDpXvWC8B821M_sOPdfKM-W0AqkU47Vxe-dRAhNc1rLrTQco90Kh6XrwDnpxQk6Pcw9x-jFjyvY2JI_D4Eac5mQbJmpZi4b_VxrDas1qA0W-_acUsty9lgt8_Re8meY4lvfaBjhoqUAUxI7IxymliL09xHDr4k8LzC452iVHu-RojzmWljcPc13ybuijG31If_qaRnKlFvfq6AIi_i5LYcr3CfEL906kyw</recordid><startdate>20071201</startdate><enddate>20071201</enddate><creator>LE, Hanh-Phuc</creator><creator>CHAE, Chang-Seok</creator><creator>LEE, Kwang-Chan</creator><creator>WANG, Se-Won</creator><creator>CHO, Gyu-Ha</creator><creator>CHO, Gyu-Hyeong</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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source | IEEE Xplore (Online service) |
subjects | Applied sciences Circuit properties Circuits Converters DC-DC power converters Design. Technologies. Operation analysis. Testing Detection Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Flexibility Frequency conversion Frequency generators Inductors Integrated circuits Magnetic devices Ordered power-distributive control (OPDC) Power generation Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Signal convertors single-inductor multiple-output (SIMO) converter soft-start Switching Switching converters Switching frequency Time to market Topology Voltage zero-current sensor |
title | A Single-Inductor Switching DC-DC Converter With Five Outputs and Ordered Power-Distributive Control |
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