TWM490170U - Flyback power supply having function of power factor correction - Google Patents
Flyback power supply having function of power factor correctionInfo
- Publication number
- TWM490170U TWM490170U TW102201439U TW102201439U TWM490170U TW M490170 U TWM490170 U TW M490170U TW 102201439 U TW102201439 U TW 102201439U TW 102201439 U TW102201439 U TW 102201439U TW M490170 U TWM490170 U TW M490170U
- Authority
- TW
- Taiwan
- Prior art keywords
- circuit
- function
- power factor
- flyback
- factor correction
- Prior art date
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
A flyback power supply having the function of power factor correction (PFC) includes an electromagnetic interference (EMI) filter circuit, a bridge rectifier circuit, a filter capacitor, a flyback transformer, an output rectifier circuit, an output filter circuit, a feedback circuit, a control chip and a power switch, and further includes a PFC circuit disposed between the bridge rectifier circuit and the filter capacitor. The PFC circuit including an inductor and three diodes can raise the power factor ranging from 75% to 90% and reduce design and manufacturing cost because it uses fewer electric components and simple circuit structure.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012205129532U CN202906742U (en) | 2012-09-29 | 2012-09-29 | Fly-back power source with power factor correction function |
Publications (1)
Publication Number | Publication Date |
---|---|
TWM490170U true TWM490170U (en) | 2014-11-11 |
Family
ID=48127360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW102201439U TWM490170U (en) | 2012-09-29 | 2013-01-23 | Flyback power supply having function of power factor correction |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN202906742U (en) |
TW (1) | TWM490170U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI644192B (en) * | 2017-11-21 | 2018-12-11 | 沈志隆 | A simplest circuit drive magneto-rheological fluid |
US10637365B2 (en) | 2018-05-21 | 2020-04-28 | Delta Electronics, Inc. | Flyback converter and control method thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102931847B (en) * | 2012-09-29 | 2015-07-22 | 福建捷联电子有限公司 | Flyback power supply with power factor correction function |
-
2012
- 2012-09-29 CN CN2012205129532U patent/CN202906742U/en not_active Expired - Fee Related
-
2013
- 2013-01-23 TW TW102201439U patent/TWM490170U/en not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI644192B (en) * | 2017-11-21 | 2018-12-11 | 沈志隆 | A simplest circuit drive magneto-rheological fluid |
US10637365B2 (en) | 2018-05-21 | 2020-04-28 | Delta Electronics, Inc. | Flyback converter and control method thereof |
TWI699952B (en) * | 2018-05-21 | 2020-07-21 | 台達電子工業股份有限公司 | Flyback converter and control method therefor |
Also Published As
Publication number | Publication date |
---|---|
CN202906742U (en) | 2013-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4K | Annulment or lapse of a utility model due to non-payment of fees |