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Double-output Luo converters, an advanced voltage-lift technique

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1 Author(s)
Luo, F.L. ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Inst., Singapore

Mirror-symmetrical double-output voltages are specially required in industrial applications and computer periphery circuits. Double output DC-DC converters can convert the positive input source voltage to positive and negative output voltages by two conversion paths. Because of the effect of parasitic elements, the output voltage and power-transfer efficiency of DC-DC converters are limited. The voltage-lift technique is a popular method that is widely applied in electronic circuit design. This technique gives a good way of improving circuit characteristics, and has been successfully applied for DC-DC converters. As are single output (positive and negative output) Luo converters, double-output Luo converters are a series of new DC-DC step-up converters using only one switch. They are developed from prototypes using the advanced voltage-lift technique. These converters perform from positive to positive and negative DC-DC voltage-increase conversion with high power density, high efficiency and cheap topology in a simple structure. They are different from any other existing DC-DC step-up converters and possess many advantages including high output voltage with small ripples. Therefore these converters will be widely used in computer peripheral equipment and industrial applications, especially for high double-output voltage projects

Published in:

Electric Power Applications, IEE Proceedings -  (Volume:147 ,  Issue: 6 )