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Group: Forum Members
Last Login: 12/03/2012 15:11:10
Posts: 38,
Visits: 119
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Trying to design a 9V 3A linear power supply gusy can you help me? I considered the 7809 but it can only candle 1.5Amps. I tried to cascade 3 parallel TO-220, increasing the filtering caps (x3), in a simulation and I got quite good results. Is this a good idea in real life? If not what do you suggest. I also plan to limit the current at 2.7A maybe someone can give me some hints. Thank you in advance.
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Group: Forum Members
Last Login: 26/02/2012 22:39:03
Posts: 2,
Visits: 10
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Have you considered the LM350T? Guaranteed 3A output at variable voltage. You could use a trimmer to set it for 9V.
The data sheet has adequate example circuits. LM350T Datasheet.
Regards
Rod
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