JPS58162641U - integrated circuit - Google Patents

integrated circuit

Info

Publication number
JPS58162641U
JPS58162641U JP5941182U JP5941182U JPS58162641U JP S58162641 U JPS58162641 U JP S58162641U JP 5941182 U JP5941182 U JP 5941182U JP 5941182 U JP5941182 U JP 5941182U JP S58162641 U JPS58162641 U JP S58162641U
Authority
JP
Japan
Prior art keywords
integrated circuit
circuit
internal
internal circuit
circuit according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5941182U
Other languages
Japanese (ja)
Inventor
賢 西村
康弘 児玉
Original Assignee
三洋電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP5941182U priority Critical patent/JPS58162641U/en
Publication of JPS58162641U publication Critical patent/JPS58162641U/en
Pending legal-status Critical Current

Links

Landscapes

  • Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はパルス巾変調電力増巾回路の基本構成を示すブ
ロック図、第２図はその動作説明波形図、第３図は本考
案ＩＣの内部構成を示す断面図、第４図はフェライトの
周波数と透磁率との関係曲線図、第５図はフェライトの
周波数と減衰量との関係曲線図であって、１０は金属基
板、１３はヒートシンク、１４．１５はトランジスタ、
１６は樹脂ケース、を夫々示している。 第３図 ｔ４　　　Ｉｓ　　１５　　Ｆ４　７６、ｚ　　、２ｃ
　Ｉｅ　１２　ｔｔFig. 1 is a block diagram showing the basic configuration of the pulse width modulation power amplification circuit, Fig. 2 is a waveform diagram explaining its operation, Fig. 3 is a sectional view showing the internal structure of the IC of the present invention, and Fig. 4 is a ferrite FIG. 5 is a diagram showing the relationship between frequency and magnetic permeability. FIG. 5 is a diagram showing the relationship between frequency and attenuation of ferrite. 10 is a metal substrate, 13 is a heat sink, 14.15 is a transistor,
Reference numeral 16 indicates a resin case. Figure 3 t4 Is 15 F4 76, z, 2c
Ie 12 tt

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）樹脂モールド型の集積回路に於て、上記モールド
樹脂にフェライト粉末を含有させて内部回路を電磁遮蔽
した事を特徴とする集積回路。(1) A resin molded integrated circuit, characterized in that the molding resin contains ferrite powder to electromagnetically shield the internal circuit. （２）上記内部回路はパワースイッチング回路を含んで
いる事を特徴とした実用新案登録請求の範囲第１項記載
の集積回路。(2) The integrated circuit according to claim 1, wherein the internal circuit includes a power switching circuit. （３）上記内部回路は高周波増巾回路を含んでいる事を
特徴とした実用新案登録請求の範囲第１項記載の集積回
路。(3) The integrated circuit according to claim 1, wherein the internal circuit includes a high frequency amplification circuit.
JP5941182U 1982-04-22 1982-04-22 integrated circuit Pending JPS58162641U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5941182U JPS58162641U (en) 1982-04-22 1982-04-22 integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5941182U JPS58162641U (en) 1982-04-22 1982-04-22 integrated circuit

Publications (1)

Publication Number Publication Date
JPS58162641U true JPS58162641U (en) 1983-10-29

Family

ID=30069717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5941182U Pending JPS58162641U (en) 1982-04-22 1982-04-22 integrated circuit

Country Status (1)

Country Link
JP (1) JPS58162641U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009176877A (en) * 2008-01-23 2009-08-06 Fuji Electric Device Technology Co Ltd Micro power supply module

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753644B2 (en) * 1980-06-24 1982-11-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753644B2 (en) * 1980-06-24 1982-11-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009176877A (en) * 2008-01-23 2009-08-06 Fuji Electric Device Technology Co Ltd Micro power supply module

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