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Inquiry about CC-CV solution.

David Kim2
Genius 3305 points
Other Parts Discussed in Thread: UCC2803

Hi

My customer asked me for a solution that meet. the following specifications.

The voltage difference between the input and output is so large that it is okay to use 2~3 stages.

-SPEC-

1.Input:3~150Vdc

2.Output: 190Vdc 2A (cc/cv available)

Thanks

  • 0
    TI__Guru 73325 points

    Hi,

    This product line has devices with minimum about 4V or above as bias. Below 4V you need to design a boost circuit able to start the IC and also keep the biasing. After you have a boost to provide above 4V you can make the ic to work below 4V, after above 4V you can use a device such as ucc2803 to make boost. You would also need to design cc cv using external circuit.