KR950007355Y1 - 에스.엠.피.에스(smps)회로 - Google Patents
에스.엠.피.에스(smps)회로 Download PDFInfo
- Publication number
- KR950007355Y1 KR950007355Y1 KR2019900021249U KR900021249U KR950007355Y1 KR 950007355 Y1 KR950007355 Y1 KR 950007355Y1 KR 2019900021249 U KR2019900021249 U KR 2019900021249U KR 900021249 U KR900021249 U KR 900021249U KR 950007355 Y1 KR950007355 Y1 KR 950007355Y1
- Authority
- KR
- South Korea
- Prior art keywords
- circuit
- voltage
- field effect
- fet2
- pulse width
- 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 - Fee Related
Links
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
- H02M3/33507—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 with automatic control of the output voltage or current, e.g. flyback converters
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0038—Circuits or arrangements for suppressing, e.g. by masking incorrect turn-on or turn-off signals, e.g. due to current spikes in current mode control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (1)
- 유입되는 전류를 감지하는 전류감지회로(3)와 제어부의 출력신호에 따라 스위칭 작용을 하는 전계효과트랜지스터(FET1)(FET2)와 상기 전계효과트랜지스터 (FET1)(FET2)의 스위칭 작용에 의해 전압을 발생하여 출력하는 트랜스(TS2)와 상기 트랜스(TS2)에서 출력되는 전압을 안정된 레벨로 부하에 공급하는 평활회로(4)가 구비된 통상의 SMPS회로에 있어서, 상기 SMPS회로에, 주기적인 펄스의 진폭에 따라 주파수를 변조하여 출력하는 펄스폭 변조회로(1)와 콘덴서(C3) 저항(R1) 값에 의해 발진주파수를 결정하는 발진수단과 저항(R4∼R6)과 콘덴서(C5)(C6)로된 기준전압설정부(2)에 의해 기준전압을 설정하는 설정수단을 포함하여서 된 것을 특징으로 하는 에스.엠.피.에스(SMPS) 회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900021249U KR950007355Y1 (ko) | 1990-12-28 | 1990-12-28 | 에스.엠.피.에스(smps)회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900021249U KR950007355Y1 (ko) | 1990-12-28 | 1990-12-28 | 에스.엠.피.에스(smps)회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920013974U KR920013974U (ko) | 1992-07-27 |
KR950007355Y1 true KR950007355Y1 (ko) | 1995-09-07 |
Family
ID=19308015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900021249U Expired - Fee Related KR950007355Y1 (ko) | 1990-12-28 | 1990-12-28 | 에스.엠.피.에스(smps)회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950007355Y1 (ko) |
-
1990
- 1990-12-28 KR KR2019900021249U patent/KR950007355Y1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR920013974U (ko) | 1992-07-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6833692B2 (en) | Method and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supply | |
US6381151B1 (en) | High efficiency switching controller | |
EP1744441B1 (en) | Method and apparatus to limit output power in a switching power supply | |
US7834605B2 (en) | Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply | |
US7369418B2 (en) | Method and apparatus for a switch mode power supply that generates a high pulse width modulation gain while maintaining low noise sensitivity | |
US5646513A (en) | Dynamic loop compensator for continuous mode power converters | |
US5633787A (en) | Switch-mode power supply with control of output supply voltage and overcurrent | |
CA1160284A (en) | Transformerless fast current limiter with symmetry correction for a switched-mode power supply | |
KR101135893B1 (ko) | 전원공급장치 | |
JP3351464B2 (ja) | 自励発振型スイッチング電源装置 | |
KR950007355Y1 (ko) | 에스.엠.피.에스(smps)회로 | |
US5668704A (en) | Self-exciting flyback converter | |
KR0129031Y1 (ko) | 과전류 보호회로 | |
KR960027204A (ko) | 전원공급장치의 보호 회로 | |
FI96808C (fi) | Jännitelähde | |
US5689408A (en) | Magnetic amplifier | |
KR200143689Y1 (ko) | 주파수 변환회로 | |
KR0176452B1 (ko) | 전원장치에 있어서 출력전압의 오차검출회로 및 방법 | |
KR200158248Y1 (ko) | 전원 공급 장치의 과전압 보호 회로 | |
KR940001193Y1 (ko) | 정전압기의 발열 감쇄회로 | |
KR880001819B1 (ko) | 정전류 제한회로 | |
KR940005503Y1 (ko) | 네온관 점등회로 | |
JP2734766B2 (ja) | スイッチングレギュレータ | |
KR940001518A (ko) | 다출력전원의 과전류 보호회로 | |
KR19990018698A (ko) | 과전압 및 과전류 보상 기능을 갖는 정전압 회로 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19901228 |
|
UG1501 | Laying open of application | ||
A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19921130 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19901228 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
E902 | Notification of reason for refusal | ||
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19950327 |
|
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19950814 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19951121 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19960207 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19960207 |
|
UR1001 | Payment of annual fee |
Payment date: 19980827 Start annual number: 4 End annual number: 4 |
|
FPAY | Annual fee payment |
Payment date: 19990831 Year of fee payment: 5 |
|
UR1001 | Payment of annual fee |
Payment date: 19990831 Start annual number: 5 End annual number: 5 |
|
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |