How to design 3V DC supply from 24VDC?

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sraiderk

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How can dizayn the 3VDC staible voltage source from 24VDC, Current consuption will be max 100mA from 3VDC side
 

Re: 3V DC supply

Because of voltage difference between input and output (24V-3V=21V), linear regulators may generate to much heat, although, if you are not concerned about it use LM317 with a heatsink and you are done ..
However, switching regulators may be better option, and there are planty of them on the market ..
For example: LM2594N-ADJ, LM2671M-ADJ ( **broken link removed** ) ..
Also, try MAXIM-IC web site at:
**broken link removed**

Regards,
IanP
 

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    sraiderk

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3V DC supply

You can use any linear regulator if power efficiency is not a concern.Otherwise go for switching regulators.
 

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