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대기모드 기능을 내장한 전원 장치 제어용 PWM IC 설계Design of PWM IC with Standby Mode Control Function for SMPS
- Other Titles
- Design of PWM IC with Standby Mode Control Function for SMPS
- Issue Date
- 2008
- Publisher
- 한국전기전자재료학회
- Keywords
- SMPS; PWM control IC; Standby mode; Green power; AC/DC converter; SMPS; PWM control IC; Standby mode; Green power; AC/DC converter
- Citation
- 전기전자재료학회논문지, v.21, no.4, pp 289 - 295
- Pages
- 7
- Indexed
- KCI
- Journal Title
- 전기전자재료학회논문지
- Volume
- 21
- Number
- 4
- Start Page
- 289
- End Page
- 295
- ISSN
- 1226-7945
2288-3258
- Abstract
- In this paper, we designed the off-line PWM(Pulse width modulation) control IC for flyback type power converter to reduce the standby power consumption. In normal state, this off-line PWM IC generates the output pulse with 4060 ㎑ frequency and duty ratio of 2088 %. When SMPS operates in standby mode, this IC generates the output pulse with 33㎑ frequency and duty ratio of 1 %. SPICE simulation was performed to verify the standby power consumption of the power converter with designed of-line PWM IC. Power converter with designed off-line PWM IC consumes less than 0.3W when it operates in standby mode condition.
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