DE3470638D1 - Transistor protection circuit - Google Patents

Transistor protection circuit

Info

Publication number
DE3470638D1
DE3470638D1 DE8484201168T DE3470638T DE3470638D1 DE 3470638 D1 DE3470638 D1 DE 3470638D1 DE 8484201168 T DE8484201168 T DE 8484201168T DE 3470638 T DE3470638 T DE 3470638T DE 3470638 D1 DE3470638 D1 DE 3470638D1
Authority
DE
Germany
Prior art keywords
protection circuit
transistor protection
transistor
circuit
protection
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.)
Expired
Application number
DE8484201168T
Other languages
English (en)
Inventor
Johannes Petrus Maria Bahlmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3470638D1 publication Critical patent/DE3470638D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S323/00—Electricity: power supply or regulation systems
    • Y10S323/907—Temperature compensation of semiconductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE8484201168T 1983-08-18 1984-08-14 Transistor protection circuit Expired DE3470638D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8302902A NL8302902A (nl) 1983-08-18 1983-08-18 Transistorbeveiligingsschakeling.

Publications (1)

Publication Number Publication Date
DE3470638D1 true DE3470638D1 (en) 1988-05-26

Family

ID=19842281

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484201168T Expired DE3470638D1 (en) 1983-08-18 1984-08-14 Transistor protection circuit

Country Status (7)

Country Link
US (1) US4870533A (de)
EP (1) EP0142177B1 (de)
JP (1) JPS6059807A (de)
CA (1) CA1228129A (de)
DE (1) DE3470638D1 (de)
HK (1) HK84191A (de)
NL (1) NL8302902A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62225011A (ja) * 1986-03-27 1987-10-03 Matsushita Electric Ind Co Ltd プツシユプル増幅器
JPH0744397B2 (ja) * 1986-03-27 1995-05-15 松下電器産業株式会社 プツシユプル増幅器
JPS62225012A (ja) * 1986-03-27 1987-10-03 Matsushita Electric Ind Co Ltd プツシユプル増幅器
JP2790496B2 (ja) * 1989-11-10 1998-08-27 富士通株式会社 増幅回路
US5383083A (en) * 1992-05-19 1995-01-17 Pioneer Electronic Corporation Protective apparatus for power transistor
US5343141A (en) * 1992-06-09 1994-08-30 Cherry Semiconductor Corporation Transistor overcurrent protection circuit
US5428287A (en) * 1992-06-16 1995-06-27 Cherry Semiconductor Corporation Thermally matched current limit circuit
US5721512A (en) * 1996-04-23 1998-02-24 Analog Devices, Inc. Current mirror with input voltage set by saturated collector-emitter voltage
FR2762726B1 (fr) * 1997-04-29 2000-02-25 Sgs Thomson Microelectronics Etage de sortie d'amplificateur a protection contre les courts-circuits
FI108378B (fi) * 1999-12-22 2002-01-15 Micro Analog Syst Oy Emitteriseuraaja
JP3904817B2 (ja) * 2000-08-31 2007-04-11 株式会社ルネサステクノロジ 電力増幅器モジュール
US20030174011A1 (en) * 2000-12-07 2003-09-18 Alechine Evgueni Sergeyevich Method of stabilization of operating conditions in electronic devices
US6844768B2 (en) * 2003-05-19 2005-01-18 Analog Devices, Inc. Dynamic method for limiting the reverse base-emitter voltage

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT958867B (it) * 1972-05-15 1973-10-30 Semiconduttori Spa Sgs Soc Gen Dispositivo di protezione per un elemento di potenza di un circuito integrato
GB1323640A (en) * 1972-06-22 1973-07-18 Standard Telephones Cables Ltd Circuit incorporating current limiting arrangement
US3845405A (en) * 1973-05-24 1974-10-29 Rca Corp Composite transistor device with over current protection
US3924158A (en) * 1974-10-24 1975-12-02 Hughes Aircraft Co Electronic overload protection device
DE2507741C3 (de) * 1975-02-22 1979-05-17 Deutsche Itt Industries Gmbh, 7800 Freiburg Überstromgeschützte, universell verwendbare Transistoranordnung
US4021701A (en) * 1975-12-08 1977-05-03 Motorola, Inc. Transistor protection circuit
US4078207A (en) * 1977-01-07 1978-03-07 Rca Corporation Push-pull transistor amplifier with driver circuitry providing over-current protection
DE2705583C2 (de) * 1977-02-10 1982-04-08 Siemens AG, 1000 Berlin und 8000 München Transistorschaltung mit einem vor thermischer Zerstörung zu schützenden Transistor
JPS6038047B2 (ja) * 1977-12-09 1985-08-29 日本電気株式会社 トランジスタ回路
JPS55128908A (en) * 1979-03-27 1980-10-06 Toshiba Corp Transistor protective circuit
US4321648A (en) * 1981-02-25 1982-03-23 Rca Corporation Over-current protection circuits for power transistors

Also Published As

Publication number Publication date
EP0142177B1 (de) 1988-04-20
CA1228129A (en) 1987-10-13
JPS6059807A (ja) 1985-04-06
JPH0516689B2 (de) 1993-03-05
EP0142177A1 (de) 1985-05-22
US4870533A (en) 1989-09-26
NL8302902A (nl) 1985-03-18
HK84191A (en) 1991-11-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee