JP2009017730A - スイッチング電源 - Google Patents
スイッチング電源 Download PDFInfo
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
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- H01L2224/73251—Location after the connecting process on different surfaces
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- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
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Abstract
【解決手段】絶縁ゲート型半導体装置30、ショットキーバリアダイオード34及び絶縁ゲート型半導体装置30のスイッチングを制御する制御用IC32を含み、絶縁ゲート型半導体装置30のソース端子又はショットキーバリアダイオード34のアノード端子に電気的に接続された導電性の接続プレート38を挟んで制御用IC32を実装する。
【選択図】図1
Description
本発明の実施の形態における降圧型DC−DCコンバータ回路100は、図1に示すように、チップ裏面をドレイン端子として使用する絶縁ゲート型半導体装置(電界効果型トランジスタ:FET)30、制御用IC32、ダイオード(ショットキーバリアダイオード:SBD)34、フレーム36及び接続プレート38を含んで構成される。図1は、FET30がPチャネル型で、且つ制御用IC32がP型半導体基板に形成されている場合の降圧型DC−DCコンバータ回路100の実装構造を示している。なお、FET30はIGBTでもよい。また、SBD34はPNダイオードでもよい。
本発明の実施の形態における昇圧型DC−DCコンバータ回路200は、図3に示すように、チップ裏面をドレイン端子として使用するFET30、制御用IC32、ショットキーバリアダイオード(SBD)34、フレーム36a,36b及び接続プレート38を含んで構成される。図3は、FET30がNチャネル型で、且つ制御用IC32がP型半導体基板に形成されている場合の昇圧型DC−DCコンバータ回路200の実装構造を示している。
本発明の実施の形態における反転型DC−DCコンバータ回路300は、図4に示すように、チップ裏面をドレイン端子として使用するFET30、制御用IC32、ショットキーバリアダイオード(SBD)34、フレーム36及び接続プレート38を含んで構成される。図4は、FET30がPチャネル型で、且つ制御用IC32がP型またはN型半導体基板に形成されている場合の反転型DC−DCコンバータ回路300の実装構造を示している。
Claims (6)
- 絶縁ゲート型半導体装置、ダイオード及び前記絶縁ゲート型半導体装置のスイッチングを制御する制御用ICを含むスイッチング電源であって、
前記絶縁ゲート型半導体装置のソース端子又は前記ダイオードのアノード端子に電気的に接続された導電性の接続プレートを備え、
前記接続プレートを挟んで前記絶縁ゲート型半導体装置のソース端子又は前記ダイオードのアノード端子上に前記制御用ICが実装されていることを特徴とするスイッチング電源。 - 請求項1に記載のスイッチング電源であって、
前記接続プレートは、平板形状の導電性のプレートであることを特徴とするスイッチング電源。 - 請求項1又は2に記載のスイッチング電源であって、
前記絶縁ゲート型半導体装置はPチャネル型であり、
前記ダイオードのアノード端子に電気的に接続された導電性の接続プレートを挟んで前記制御用ICが実装されており、
前記絶縁ゲート型半導体装置と前記ダイオードとは共通の導電性のフレーム上に実装され、
前記絶縁ゲート型半導体装置のドレイン端子と前記ダイオードのカソード端子が前記フレームにより電気的に接続されていることを特徴とする降圧型のスイッチング電源。 - 請求項1又は2に記載のスイッチング電源であって、
前記絶縁ゲート型半導体装置はNチャネル型であり、
前記ダイオードのアノード端子に電気的に接続された導電性の接続プレートを挟んで前記制御用ICが実装されており、
前記絶縁ゲート型半導体装置と前記ダイオードとは電気的に絶縁されたフレームに実装されていることを特徴とする降圧型のスイッチング電源。 - 請求項1又は2に記載のスイッチング電源であって、
前記絶縁ゲート型半導体装置はNチャネル型であり、
前記絶縁ゲート型半導体装置のソース端子に電気的に接続された導電性の接続プレートを挟んで前記制御用ICが実装されており、
前記絶縁ゲート型半導体装置と前記ダイオードとは電気的に絶縁されたフレームに実装されていることを特徴とする昇圧型のスイッチング電源。 - 請求項1又は2に記載のスイッチング電源であって、
前記絶縁ゲート型半導体装置のソース端子又は前記ダイオードのアノード端子に電気的に接続された導電性の接続プレートを挟んで、前記絶縁ゲート型半導体装置のソース端子及び前記ダイオードのアノード端子とは電気的に絶縁されるように前記制御用ICが実装されていることを特徴とする反転型のスイッチング電源。
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JP2007178746A JP5118402B2 (ja) | 2007-07-06 | 2007-07-06 | スイッチング電源 |
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JP2007178746A JP5118402B2 (ja) | 2007-07-06 | 2007-07-06 | スイッチング電源 |
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JP2009017730A true JP2009017730A (ja) | 2009-01-22 |
JP5118402B2 JP5118402B2 (ja) | 2013-01-16 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103219374A (zh) * | 2012-01-24 | 2013-07-24 | 富士通株式会社 | 半导体器件及电源器件 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001178121A (ja) * | 1999-12-14 | 2001-06-29 | Taiyo Yuden Co Ltd | 電子部品 |
JP2001250890A (ja) * | 2000-03-07 | 2001-09-14 | Fuji Electric Co Ltd | 半導体装置及びその製造方法 |
JP2004221225A (ja) * | 2003-01-14 | 2004-08-05 | Nec Tokin Corp | 薄型直流電源装置及びその製造方法 |
JP2006332579A (ja) * | 2005-04-28 | 2006-12-07 | Mitsubishi Electric Corp | 半導体装置 |
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- 2007-07-06 JP JP2007178746A patent/JP5118402B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001178121A (ja) * | 1999-12-14 | 2001-06-29 | Taiyo Yuden Co Ltd | 電子部品 |
JP2001250890A (ja) * | 2000-03-07 | 2001-09-14 | Fuji Electric Co Ltd | 半導体装置及びその製造方法 |
JP2004221225A (ja) * | 2003-01-14 | 2004-08-05 | Nec Tokin Corp | 薄型直流電源装置及びその製造方法 |
JP2006332579A (ja) * | 2005-04-28 | 2006-12-07 | Mitsubishi Electric Corp | 半導体装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103219374A (zh) * | 2012-01-24 | 2013-07-24 | 富士通株式会社 | 半导体器件及电源器件 |
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