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《Semiconductor Technology》 2004-11
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Design of Band-gap Voltage Reference Source of the Ballast Controller

YU You-ling, XU Wei-sheng, Wu Qi-di(Institute of Semiconductor & Information Technology, Tongji University,Shanghai 200092,China)  
From the requirements of ballast and the positive temperature characteristics of thevoltage difference of the base-emitter of two transistors, the PTAT current is produced by mirrorcurrent source and this is combined with the current produced by the negative temperature of thevoltage of the base-emitter of transistor, then the bandgap current reference source is derived. Thesimulation results show its voltage and temperature performances can meet the design requirements.
【Fund】: 2001年度AM资助项目(0101)
【CateGory Index】: TM923.61
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