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Q&A Can I use LT8330（or LT8335）convert 12V to 48V/100mA and -48V/100mA

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Can I use LT8330（or LT8335）convert 12V to 48V/100mA and -48V/100mA

Edison.Pu on Dec 11, 2018

I found that LT8330 can convert 12V to ±15V from datasheet.

Then I simulationed a circuit which using LT8335 convert 12V to ±48V/100mA successfully.I want to know if this circuit can get used actually.And is there a better solution？

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W.G
Dec 11, 2018 in reply to Edison.Pu +1 verified
No, LT8335 won't work due to its SW pin voltage rating. Are the positive current and the negative current equal all the time? If yes, you can use LT8361. If not, I'd suggest you to use two LT8361...

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0 Edison.Pu on Dec 11, 2018 2:00 AM
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+1 W.G

on Dec 11, 2018 4:35 PM in reply to Edison.Pu
No, LT8335 won't work due to its SW pin voltage rating.

Are the positive current and the negative current equal all the time? If yes, you can use LT8361.

If not, I'd suggest you to use two LT8361's, one for positive and one for negative.
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0 Edison.Pu on Dec 12, 2018 3:11 AM in reply to W.G

You mean like this？
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0 W.G

on Dec 12, 2018 7:46 PM in reply to Edison.Pu
Looks very good to me.
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0 Edison.Pu on Dec 13, 2018 1:38 AM in reply to W.G

Thanks a lot.
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