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意法半导体的EZ板容易与表面贴装功率器件的设计

消耗积分:0 | 格式:rar | 大小:0.15 MB | 2017-06-21

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  意法半导体的EZ板容易与表面贴装功率器件的设计

  你有没有建立一个快速原型的那个好主意,一直在你的脑海里滚动?有想法是伟大的。第一次建造它并让它开始工作,对于像我这样的人来说简直是涅盘。那真是发明中有趣的一部分。使之工作

  在半导体的早期,建造一个电路意味着你必须制造晶体管。我很高兴那些日子已经过去了。半导体行业已经出现了很多改变自约翰·巴丁以来,1947年12月Walter Brattain和威廉·肖克利建立了第一个“晶体三极管”。我们是建立在伟人的肩膀上的。

  

  Figure 1: Transistor inventors William Shockley (seated), John Bardeen, and Walter Brattain, 1948. (Courtesy of AT&T Archives and History Center)

  In more recent times, prototyping was a matter of pulling out your white board (or perf-board) and plugging in a quick circuit to verify what you were thinking would actually work. Simulations can really only take you so far. Some time ago, I had designed a simple alternator voltage regulator for a niche aftermarket application. I drew up the schematic, spent hours simulating it, optimizing it, and making it stable. I was proud of my little circuit. It was a simple discrete analog control loop driving a smart high-side driver. In those days, power switches were relatively big leaded components with a tab you could snap a small heatsink onto, or bolt on a big heatsink when needed. The protected high-side switch I used was a VN820 in a 5 leaded TO-220 package.

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