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Re: Power supply question


 

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The LM1085-12 has a dropout voltage of 1.3v typ; 1.5v max.?? The lm1117ADJ likewise has a low dropout voltage but would require a couple more parts since that part doesn¡¯t come in a fixed 12v version.

Mike

K5ESS

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From: [email protected] [mailto:[email protected]] On Behalf Of Bo Barry
Sent: Saturday, June 2, 2018 12:16 PM
To: [email protected]
Subject: Re: [BITX20] Power supply question

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If I recall correctly the 3 terminal regulators definitely need a minimum of 3 volts difference between input and output.
Bo W4GHV?

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