AC/DC Notebook Adapter With 22㎽ No-Load Power Consumption

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An AC/DC notebook adapter with reduced no-load power consumption is proposed in this paper. During no-load condition, a lower limit of the output voltage is further lowered to reduce feedback circuit loss at the secondary side. Moreover, control-IC on/off scheme is employed to reduce power consumption of control-IC. As a result, the proposed AC/DC adapter of 65 W/17.5 V prototype can reduce the no-load power consumption under 30 mW. Operational principles and experimental results are presented to verify the feasibility of the proposed AC/DC adapter. Moreover, loss analysis of AC/DC adapter at no-load condition is also provided.
Publisher
IEEE
Issue Date
2011-05
Language
ENG
Citation

Power Electronics and ECCE Asia (ICPE & ECCE), 2011 IEEE 8th International Conference on, pp.468 - 473

URI
http://hdl.handle.net/10203/170417
Appears in Collection
EE-Conference Papers(학술회의논문)
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