Re: Voltage controlled 10V->100V DC-DC converter



On 26 May 2005 09:30:43 -0700, jwodin@xxxxxxxxx wrote:

>Is there an easy way to make a voltage controlled DC-DC converter with
>say a 0-10V input and a 0-100V output? MAXIM has an app note for
>something like this, though it's controlled by resistors as far as I
>can tell.
>
>http://www.maxim-ic.com/appnotes.cfm/appnote_number/1751
>
>I might be able to use a FET as a voltage controlled resistor (this may
>show my complete lack of knowledge about circuits...) and therefor
>control the output voltage though. I need to make ~100 of these, so I
>need it to be kinda small -- a chip with some R/C/L/diodes would be
>preferable.

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How small is "kinda small"?
How much output current and what kind of efficiency do you need?

--
John Fields
Professional Circuit Designer
.