INDUCTOR COMPONENT, DCDC CONVERTER, AND MANUFACTURING METHOD OF INDUCTOR PARTS

To achieve both high efficiency at light load and high current support when an inductor component is used as an inductor of a DCDC converter.SOLUTION: An inductor component includes a main body containing a metallic magnetic powder containing an iron element, and an inductor provided in the main bod...

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Hauptverfasser:	YOSHIOKA YOSHIMASA, NOO NAOYA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BASIC ELECTRIC ELEMENTS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS
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Beschreibung
Zusammenfassung:	To achieve both high efficiency at light load and high current support when an inductor component is used as an inductor of a DCDC converter.SOLUTION: An inductor component includes a main body containing a metallic magnetic powder containing an iron element, and an inductor provided in the main body and both ends of which are exposed from the main body. In the DC superimposed characteristic curve of the inductor, a first steady-state region RS1 and a second steady-state region RS2 exist as a steady-state region, and a transition region RT exists between the first steady-state region RS1 and the second steady-state region RS2.SELECTED DRAWING: Figure 6 【課題】インダクタ部品をＤＣＤＣコンバータのインダクタとして採用した場合において、軽負荷時の高効率と大電流対応とを両立させること。【解決手段】インダクタ部品は、鉄元素を含む金属磁性粉を含有する本体と、本体内に設けられ、両端が本体から露出しているインダクタとを備える。インダクタの直流重畳特性曲線では、定常領域として第１定常領域ＲＳ１及び第２定常領域ＲＳ２が存在し、第１定常領域ＲＳ１と第２定常領域ＲＳ２との間に遷移領域ＲＴが存在する。【選択図】図６