KR0120962Y1 - 스위칭모드형 전원공급장치의 주파수 동기회로 - Google Patents
스위칭모드형 전원공급장치의 주파수 동기회로Info
- Publication number
- KR0120962Y1 KR0120962Y1 KR2019950000341U KR19950000341U KR0120962Y1 KR 0120962 Y1 KR0120962 Y1 KR 0120962Y1 KR 2019950000341 U KR2019950000341 U KR 2019950000341U KR 19950000341 U KR19950000341 U KR 19950000341U KR 0120962 Y1 KR0120962 Y1 KR 0120962Y1
- Authority
- KR
- South Korea
- Prior art keywords
- switching
- frequency
- terminal
- output
- pulse width
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000005669 field effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 16
- 238000009413 insulation Methods 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (3)
- 단자(RT)(CT)에 발진 시정수 설정용 저항(R3) 및 캐패시터(C3)가 연결된 제1펄스폭변조부(PWM1)의 동기(SYNC)단자에서 출력되는 동기신호를 기준전압과 비교하는 비교부(OP)와, 상기 비교부(OP)의 출력전압에 의해 스위칭 동작하는 스위칭소자(Q1)와, 상기 스위칭소자(Q1)에 의해 1차측에 인가된 전압이 스위칭제어되며, 2차측으로 유기된 전압을 제2펄스폭변조부(PWM2)의 동기단자에 인가하는 절연트랜스포머(T)로 구성된 것으로 특징으로 하는 스위칭모드형 전원공급장치의 주파수 동기회로.
- 제1항에 있어서, 상기 스위칭소자(Q1)가 전계효과 트랜지스터인 스위칭모드형 전원공급장치의 주파수 동기회로.
- 제1항에 있어서, 상기 스위칭소자(Q1)가 트랜지스터인 스위칭모드형 전원공급장치의 주파수 동기회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019950000341U KR0120962Y1 (ko) | 1995-01-11 | 1995-01-11 | 스위칭모드형 전원공급장치의 주파수 동기회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019950000341U KR0120962Y1 (ko) | 1995-01-11 | 1995-01-11 | 스위칭모드형 전원공급장치의 주파수 동기회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960027861U KR960027861U (ko) | 1996-08-17 |
KR0120962Y1 true KR0120962Y1 (ko) | 1998-10-01 |
Family
ID=19406574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019950000341U KR0120962Y1 (ko) | 1995-01-11 | 1995-01-11 | 스위칭모드형 전원공급장치의 주파수 동기회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0120962Y1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100311397B1 (ko) * | 1999-04-29 | 2001-11-02 | 구자홍 | 피디피 티브이의 고조파 잡음 방지 장치 |
-
1995
- 1995-01-11 KR KR2019950000341U patent/KR0120962Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960027861U (ko) | 1996-08-17 |
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