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Chip Amps Amplifiers based on integrated circuits

5v regulator on positive leg of chipamp PSU
5v regulator on positive leg of chipamp PSU
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Old 9th September 2019, 05:33 AM   #11
JMFahey is offline JMFahey  Argentina
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Join Date: Mar 2009
Location: Buenos Aires - Argentina
Originally Posted by mandocaster View Post
Would the pi draw 3A? Not by itself. A Pi 3 is rated at 2A max. I'm not sure how much the DAC hat draws, and I'll have a wifi dongle attached to the USB. So I'm just being conservative. Probably 2A would be the most I'd ever draw,
You have NOT told us a most important information: WHAT is the rail voltage for your Power Amp?
I ran the two fans in series so I am not dropping lots of watts in the resistors. Madness in my methods !
Of course that is the sensible way

And hanging one from each rail more than duplicates waste.
Design/make/service musical stuff in Buenos Aires, Argentina, since 1969.
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