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Any one knows which company makes first Linear regulator IC

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nsuns

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As title,
For example, first 78xx, first LM317
whatever, and which company, how long ago
Thanks
 
Fairchild invented the first integrated opamp including the uA741 as described in this history article:


I think Fairchild also invented the first integrated uA7805.
 
I believe the µa723 predates all of the modern regulators and I think Fairchild was also its mother.

Dean
 
short bit of interesting 1964 Fairchild history:

http://smithsonianchips.si.edu/augarten/p16.htm

the first linear op-amp, the uA702 ( still available apparently )

same dates as mentioned in the above link, from the Tony Van Roon Guelph University page

Tony's page is very good, worth a look around by the way, lots of info and circuits.
 
zevon8 said:
short bit of interesting 1964 Fairchild history:

http://smithsonianchips.si.edu/augarten/p16.htm

the first linear op-amp, the uA702 ( still available apparently )

same dates as mentioned in the above link, from the Tony Van Roon Guelph University page

Tony's page is very good, worth a look around by the way, lots of info and circuits.

I'd like to offer my greatful thanks to everyone
My presentation will be excellent with your help
 
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