>> Output current should be settable, over a reasonable range. I expect 
>> to be using 10-100mA. Input is from a 9 - 12V source.
>>
There are a fair number of white LED drivers aimed at cellphones
and the like that might fit your requirements.  Typically several
drivers at "moderate" current for LCD backlight and keypad, plus
perhaps a higher current output for "flash."  Try National and Maxim?

BillW
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