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How to convert from from x DC to y DC ?

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afnindar

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DC-DC Converts

How to converts 9 V/30 Amp DC to become DC 9 V/400 or to become 3.6 V/350 mA or 5.0 V/350mA.

thanks..
 

IanP

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Re: DC-DC Converts

Could you please clarify the following values:
- 30A .. amps?
- 400 .. mA? or?

Regards,
IanP
 

afnindar

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DC-DC Converts

30 A = 30 Amperes
400 mA = 400 miliAmperes or 0.4 Amperes

regards
 

v_c

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Re: DC-DC Converts

9V/30A --> 9V/400mA
Do you really need anything for this? If you have a source of 9V that
is capable of provining 30A, it will surely give you 400mA. On the other
hand the 9V source might not be regulated. Any converter that you put
will have a drop so your output will be less than 9V -- you might have to
go with a boost converter onthis one but your duty ratio may be very close to 0.

9V/30A --> 3.6V/350mA
Buck Converter

9V/30A --> 5V/400mA
Buck Converter

Again for these last two having the source be capable of giving you 30A does not mean that you will need to draw 30A.

Best regards,
v_c
 

afnindar

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Re: DC-DC Converts

v_c said:
9V/30A --> 9V/400mA
Do you really need anything for this? If you have a source of 9V that
is capable of provining 30A, it will surely give you 400mA. On the other
hand the 9V source might not be regulated. Any converter that you put
will have a drop so your output will be less than 9V -- you might have to
go with a boost converter onthis one but your duty ratio may be very close to 0.

9V/30A --> 3.6V/350mA
Buck Converter

9V/30A --> 5V/400mA
Buck Converter

Again for these last two having the source be capable of giving you 30A does not mean that you will need to draw 30A.

Best regards,
v_c
yes you're right
and this is more resources ..

http://www.powerdesigners.com/InfoWeb/design_center/articles/DC-DC/converter.shtm
 

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