Ok to parallel LM2940''s ?
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Posts: 46,084
In a message dated 8/16/2003 7:45:54 AM Pacific Daylight Time,
jpeakall@m... writes:
> Ken,
>
> The trouble is, I'm not sure. The project I am working on is a little
> tricky. I need to get a PCB together before the school year starts, but the
> project is still in the research phase. We may or may not wind up using a DC
> to DC converter that would draw 2-3 amps, or we may not. So my plan was to
> make the board with jumpers to able to configure the power supply in
> different ways. Hopefully, and ideally, we could use the LM2940's
> separately, with a common ground, of course. If we can't, I want to make the
> board accommodate this. Are there any low dropout regs that can handle 3-4
> amps?
>
> Thanks,
>
> Jonathan
>
> www.madlabs.info
Sure,
Kind of scary though, you know what trouble simple mistakes students can
make, and 5amps is plenty current to melt and destroy things.......here is a 5v
5amp LDO from mouser
<A
HREF="http://www.st.com/stonline/books/pdf/docs/8761.pdf">http://www.st.com/ston\
line/books/pdf/docs/8761.pdf</A>
http://www.mouser.com/index.cfm?handler=search.listcategory&
Ntt=*ldo*%2b*regulator*&handler=search.listcategory&terms=ldo
regulator&N=4294967275&Ne=3
[noparse][[/noparse]Non-text portions of this message have been removed]
jpeakall@m... writes:
> Ken,
>
> The trouble is, I'm not sure. The project I am working on is a little
> tricky. I need to get a PCB together before the school year starts, but the
> project is still in the research phase. We may or may not wind up using a DC
> to DC converter that would draw 2-3 amps, or we may not. So my plan was to
> make the board with jumpers to able to configure the power supply in
> different ways. Hopefully, and ideally, we could use the LM2940's
> separately, with a common ground, of course. If we can't, I want to make the
> board accommodate this. Are there any low dropout regs that can handle 3-4
> amps?
>
> Thanks,
>
> Jonathan
>
> www.madlabs.info
Sure,
Kind of scary though, you know what trouble simple mistakes students can
make, and 5amps is plenty current to melt and destroy things.......here is a 5v
5amp LDO from mouser
<A
HREF="http://www.st.com/stonline/books/pdf/docs/8761.pdf">http://www.st.com/ston\
line/books/pdf/docs/8761.pdf</A>
http://www.mouser.com/index.cfm?handler=search.listcategory&
Ntt=*ldo*%2b*regulator*&handler=search.listcategory&terms=ldo
regulator&N=4294967275&Ne=3
[noparse][[/noparse]Non-text portions of this message have been removed]