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LT3383 5A output?

HI All:

I want to use LT3383 to get a output about 5A, can LT3383 achieve it? If ok(combine the two 2.5A output), any reference design?

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  • Hi, 

    Unfortunately LT3383 does not support paralleling multiple channels. It does not have the multiphase feature, and the two channels are not out of phase. 

    It might be possible to parallel general power supply in this method shown below: 

    However, the accuracy of the output might suffer. The balance resistor will also introduce extra loss. The balance of the two channels also depends on the value of the two balance resistors. I do not recommend this method when your total output current is twice as the max current output of a single channel. 

    Thanks,

    Wenwei. 

Reply
  • Hi, 

    Unfortunately LT3383 does not support paralleling multiple channels. It does not have the multiphase feature, and the two channels are not out of phase. 

    It might be possible to parallel general power supply in this method shown below: 

    However, the accuracy of the output might suffer. The balance resistor will also introduce extra loss. The balance of the two channels also depends on the value of the two balance resistors. I do not recommend this method when your total output current is twice as the max current output of a single channel. 

    Thanks,

    Wenwei. 

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