KR970024475A - Multi output control method of the SMPS - Google Patents

Multi output control method of the SMPS Download PDF

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Publication number
KR970024475A
KR970024475A KR1019950037971A KR19950037971A KR970024475A KR 970024475 A KR970024475 A KR 970024475A KR 1019950037971 A KR1019950037971 A KR 1019950037971A KR 19950037971 A KR19950037971 A KR 19950037971A KR 970024475 A KR970024475 A KR 970024475A
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KR
South Korea
Prior art keywords
voltage
output
stage
smps
control method
Prior art date
Application number
KR1019950037971A
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Korean (ko)
Inventor
박동완
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.)
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Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950037971A priority Critical patent/KR970024475A/en
Publication of KR970024475A publication Critical patent/KR970024475A/en

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Abstract

본 발명은 스위칭 모드 파워 서플라이에 관한 것으로서, 특히 R. C. C 방식의 다단 출력 회로를 더 정밀하게 제어하기 위한 회로에 관한 것이다.TECHNICAL FIELD The present invention relates to a switched mode power supply, and more particularly, to a circuit for more precisely controlling a multi-stage output circuit of an R. C. C method.

본 발명은, SMPS의 다단 출력 회로 제어 방법에 있어서, 오차 전압 검출부와 추가된 출력 회로의 출력 전압 단자 사이에 저항을 연결하여 상기 저항값을 조절하므로 중첩 전압(V0, V0′)을 V0, V0′=R3, V0/R1+R3+R1V0′/R1+R3로서 출력하며, R1, R2는 오차 전압 출력부와 2차측 출력 전압(V0)단에 연결된 저항이며, R3는 오차 전압 출력부와 2차측 출력 전압(V0′) 단 사이에 연결된 저항인 것을 특징으로 하며, 상기 추가 저항을 다수개 이용하여 다수의 출력을 전압 제어하는 것을 특징으로 한다.The present invention, in the SMPS multi-stage output circuit control method, by connecting a resistor between the error voltage detection unit and the output voltage terminal of the additional output circuit to adjust the resistance value of the overlapping voltage (V 0 , V 0 ') to V 0 , V 0 ′ = R 3 , V 0 / R 1 + R 3 + R 1 V 0 ′ / R 1 + R 3 , where R1 and R2 are the error voltage output and the secondary output voltage (V 0 ) R 3 is a resistor connected to the stage, and R 3 is a resistor connected between the error voltage output unit and the secondary output voltage (V 0 ′) stage, and voltage control of a plurality of outputs using a plurality of the additional resistors. It features.

Description

SMPS의 다단 출력 회로 제어 방법(Multi output control method of the SMPS)Multi output control method of the SMPS

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

제1도는 종래의 SMPS 출력 회로 제어 방법을 설명하기 위한 회로도,1 is a circuit diagram for explaining a conventional SMPS output circuit control method,

제2도는 본 발명의 다단 출력 회로 제어 방법을 위한 회로도.2 is a circuit diagram for a multi-stage output circuit control method of the present invention.

Claims (2)

SMPS의 다단 출력 회로 제어 방법에 있어서, 오차 전압 검출부와 추가된 출력 회로의 출력 전압 단자 사이에 저항을 연결하여 상기 저항값을 조절하므로 중첩 전압 (V0, V0′)을 V0, V0′=R3, V0/R1+R3+R1V0′/R1+R3로서 출력하며, R1, R2는 오차 전압 출력부와 2차측 출력 전압(V0)단에 연결된 저항이며, R3는 오차 전압 출력부와 2차측 출력 전압(V0′) 단 사이에 연결된 저항인 것을 특징으로 하는 SMPS의 다단 출력 회로 제어방법.In the multi-stage output circuit control method of the SMPS, the resistance value is adjusted by connecting a resistor between the error voltage detection unit and the output voltage terminal of the added output circuit so that the overlapping voltages (V 0 , V 0 ′) are adjusted to V 0 , V 0. ′ = R 3 , V 0 / R 1 + R 3 + R 1 V 0 ′ / R 1 + R 3 , where R1 and R2 are resistors connected to the error voltage output and the secondary output voltage (V 0 ) And R 3 is a resistor connected between an error voltage output unit and a secondary output voltage (V 0 ′) stage. 제1항에 있어서, 상기 추가 저항을 다수개 이용하여 다수의 출력을 전압 제어하는 것을 특징으로 하는 SMPS의 다단 출력 회로 제어방법.The method of claim 1, wherein the plurality of outputs are voltage-controlled using a plurality of additional resistors. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950037971A 1995-10-30 1995-10-30 Multi output control method of the SMPS KR970024475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950037971A KR970024475A (en) 1995-10-30 1995-10-30 Multi output control method of the SMPS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950037971A KR970024475A (en) 1995-10-30 1995-10-30 Multi output control method of the SMPS

Publications (1)

Publication Number Publication Date
KR970024475A true KR970024475A (en) 1997-05-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950037971A KR970024475A (en) 1995-10-30 1995-10-30 Multi output control method of the SMPS

Country Status (1)

Country Link
KR (1) KR970024475A (en)

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