JPH0451033U - - Google Patents

Info

Publication number
JPH0451033U
JPH0451033U JP9146790U JP9146790U JPH0451033U JP H0451033 U JPH0451033 U JP H0451033U JP 9146790 U JP9146790 U JP 9146790U JP 9146790 U JP9146790 U JP 9146790U JP H0451033 U JPH0451033 U JP H0451033U
Authority
JP
Japan
Prior art keywords
converter
circuit
amplifier
cut
power supply
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
JP9146790U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP9146790U priority Critical patent/JPH0451033U/ja
Publication of JPH0451033U publication Critical patent/JPH0451033U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Dc-Dc Converters (AREA)

Description

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

第1図は本考案の一実施例を示す遮断回路の回
路図、第2図は従来の遮断回路の回路図である。 20……遮断回路、21……DC/DCコンバ
ータ、23……駆動用IC、30……OPアンプ
、34……積分回路。
FIG. 1 is a circuit diagram of a cut-off circuit showing an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional cut-off circuit. 20... Cutoff circuit, 21... DC/DC converter, 23... Drive IC, 30... OP amplifier, 34... Integrating circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源電池の電圧が設定値以下に降下したときに
DC/DCコンバータの動作を停止し、停止状態
を保持する回路であつて、前記電源電池に接続し
たOPアンプの出力をDC/DCコンバータの駆
動部に接続して、前記DC/DCコンバータのオ
ン/オフを制御する遮断回路に於て、前記OPア
ンプの出力端子に積分回路を介装したことを特徴
とするDC/DCコンバータの遮断回路。
A circuit that stops the operation of the DC/DC converter and maintains the stopped state when the voltage of the power supply battery drops below a set value, and drives the DC/DC converter by using the output of the OP amplifier connected to the power supply battery. A cut-off circuit for a DC/DC converter, characterized in that the cut-off circuit is connected to an output terminal of the OP amplifier to control on/off of the DC/DC converter, and an integrating circuit is interposed in the output terminal of the OP amplifier.
JP9146790U 1990-08-31 1990-08-31 Pending JPH0451033U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9146790U JPH0451033U (en) 1990-08-31 1990-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9146790U JPH0451033U (en) 1990-08-31 1990-08-31

Publications (1)

Publication Number Publication Date
JPH0451033U true JPH0451033U (en) 1992-04-30

Family

ID=31827132

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9146790U Pending JPH0451033U (en) 1990-08-31 1990-08-31

Country Status (1)

Country Link
JP (1) JPH0451033U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001333573A (en) * 2000-05-22 2001-11-30 Matsushita Electric Ind Co Ltd Decrement voltage protection circuit of power factor improving power supply

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001333573A (en) * 2000-05-22 2001-11-30 Matsushita Electric Ind Co Ltd Decrement voltage protection circuit of power factor improving power supply

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