KR960016503A - Regulator protection circuit of the power supply - Google Patents

Regulator protection circuit of the power supply Download PDF

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Publication number
KR960016503A
KR960016503A KR1019940027675A KR19940027675A KR960016503A KR 960016503 A KR960016503 A KR 960016503A KR 1019940027675 A KR1019940027675 A KR 1019940027675A KR 19940027675 A KR19940027675 A KR 19940027675A KR 960016503 A KR960016503 A KR 960016503A
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KR
South Korea
Prior art keywords
power supply
voltage
capacitor
supply unit
regulator
Prior art date
Application number
KR1019940027675A
Other languages
Korean (ko)
Inventor
이상표
Original Assignee
배순훈
대우전자 주식회사
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 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940027675A priority Critical patent/KR960016503A/en
Publication of KR960016503A publication Critical patent/KR960016503A/en

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Abstract

본 발명은 전원 공급 장치에 관한 것으로서, 특히 입력되는 고전압으로 인해 레귤레이터가 파괴되는 것을 방지함으로써, 모니터의 신뢰성을 향상시길 수 있는 전원 공급 장치의 레귤레이터 보호 회로에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply, and more particularly, to a regulator protection circuit of a power supply that can improve the reliability of a monitor by preventing the regulator from being destroyed by a high voltage input.

이와같은 본 발명은 제1전원부가 트랜스포머의 여자된 전압을 반파 정류시킨 후 평활되고 평활된 작은 전압이 상기 제1전원 제어부를 통해 제2전원부에 인가되는 다이오드(D11) 및 콘덴서(C11)과, 상기 다이오드(D11) 및 콘덴서(C11)의 출력 전압을 반파 정류시킨 후 평활되어 제1부하에 인가시키는 다이오드(D12) 및 콘덴서(C12)로 구성된다.The present invention is a diode (D11) and capacitor (C11) is applied to the second power supply unit through the first power control unit after the first power supply unit half-wave rectified the excitation voltage of the transformer by the first power control unit, The diode D11 and the capacitor C12 are rectified by half-wave rectification of the output voltages of the diode D11 and the capacitor C11 and applied to the first load.

Description

전원 공급 장치의 레귤레이터 보호 회로Regulator protection circuit of the power supply

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명에 따른 전원 공급 장치의 레귤레이터 보호 회로의 구성을 보인 도면.2 is a view showing the configuration of a regulator protection circuit of a power supply according to the present invention.

Claims (2)

트랜스포머의 2차측 코일이 여자된 전압을 반파 정류시킨 후 노이즈 성분을 제거시키는 제1전원부와, 입력되는 제어 신호에 의해 트랜지스터가 스위칭되어 제1전원부에서 출력되는 제1전원을 뮤팅시키는 제1전원제어부와, 트랜스포머의 2차측 코일에 여자된 전압을 반파 정류시킨 후 노이즈 성분이 제거되고, 필요한 전압으로 변환시키는 제2전원부로 구성된 전된 공급 장치에 있어서, 상기 제1전원부가 상기 트랜스포머(T)의 여자된 전압을 반파 정류시킨 후 평활되고, 평활된 전압이 상기 제1전원 제어부를 통해 제2전원부에 인가되는 다이오드(D11) 및 콘덴서(C11)과, 상기 다이오드(D11) 및 콘덴서(C11)의 출력 전압을 반과 정류시킨 후 평활되어 제1부하에 인가시키는 다이오드(D12) 및 콘덴서(C12)로 구성됨을 특징으로 하는 전된 공급 장치의 레귤레이터 보호 회로.A first power supply unit for removing the noise component after half-wave rectifying the excitation voltage by the secondary coil of the transformer, and a first power supply control unit for muting the first power output from the first power supply by switching the transistor by an input control signal And a second power supply unit configured to half-wave rectify the voltage excited by the secondary coil of the transformer, remove a noise component, and convert the noise component into a required voltage, wherein the first power supply unit is configured to excite the transformer T. After rectifying the half-wave rectified voltage, the smoothed and smoothed voltage is applied to the second power supply unit through the first power control unit, and the output of the diodes D11 and condenser C11 and the diodes D11 and C11. Regulator protection of the charged supply, characterized in that consisting of a diode (D12) and a capacitor (C12) to rectify the voltage in half and then smooth and apply to the first load. Circuit. 제1항에 있어서, 상기 콘덴서(C11)의 캐패시턴스가 콘덴서(C12)의 캐패시턴스보다 작게 설정되어 모드절환시 제2전원부의 레귤레이터에 인가되는 전압이 작아지도록 구성됨을 특징으로 하는 전원 공급 장치의 레귤레이터 보호 회로.The regulator protection of a power supply device according to claim 1, wherein the capacitance of the capacitor C11 is set smaller than the capacitance of the capacitor C12 so that the voltage applied to the regulator of the second power supply unit decreases during mode switching. Circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940027675A 1994-10-27 1994-10-27 Regulator protection circuit of the power supply KR960016503A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940027675A KR960016503A (en) 1994-10-27 1994-10-27 Regulator protection circuit of the power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940027675A KR960016503A (en) 1994-10-27 1994-10-27 Regulator protection circuit of the power supply

Publications (1)

Publication Number Publication Date
KR960016503A true KR960016503A (en) 1996-05-22

Family

ID=66687245

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940027675A KR960016503A (en) 1994-10-27 1994-10-27 Regulator protection circuit of the power supply

Country Status (1)

Country Link
KR (1) KR960016503A (en)

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