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24th February 2008, 12:00 PM
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IC 555 in buck-boost converter
hi friends,
i am doing buck-boost converter in that i am using 555 as pwm ckt .in that im using 1 k pot and getting min time period of 10ms but i need the o\p time period in micro sec.kindly suggest me |
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24th February 2008, 12:37 PM
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Why on earth are you using the 555?
Use a real switching regulator controler IC like the MB3759.
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8th May 2008, 03:49 AM
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RC Time Constant
Decreasing either your resistor value or capacitor value will shorten the period. Try something like 0.1 uF (if that's not enough, try 0.01 uf, if too much try 1.0 uf and so on). Hope that helps.
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