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Voltage regulator in parallel

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Hi to everybody. I wanted to ask if the circuit below can works or not. I need a precise 3.3 V and a current of 20A. I wanted to use the pc power supply but it is not so precise and stable. So I thought to use to voltage regulator (of 10A each) in parallel like in the circuit below. Can it works?View attachment 96882


The pc power supply has different 5V output pin, in the schematic above i used 2 of them.

Your best bet would be to use a single regulator chip with a boost transistor. If you would like a circuit, just ask
 
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