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acu
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Auckland, New Zealand
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Joined: 10-April 07
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Last Seen: 27th April 2007 - 05:35 AM
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10 Apr 2007
Hi
I'm building a simple 555 boost converter (555, IGBT - HGTG12N60A4, 470uH inductor, 350V 22uF capacitor, 1000V, 1A Schottky diode). My Vin is 12V (or lead gel battery pack) and Vout I want is 350V. I want to work out what frequency I should run my timer at (I can see that it will probably be 200kHz going by the datasheet). Next step is I want to find what Pulse-Width to use for getting my output of 350V. I'm not sure what current I want (this is for a small Xenon Stroboscope circuit - flashrate of 0-100Hz). I guess I basically want like most designers to get a reliable output voltage to charge the capacitor fast enough. Does anyone have any pointers, forums, calculation steps I should run though. Thanks, B |
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