(2022-04-13, 22:51)dupreezd Wrote: Hi,
Much appreciated! I am such a newbie that I don't know how I can find your email address from the info on this board and send a private email, I lack administrator privileges. However my email is k2ors@verizon.net , I 'd be more than happy to compensate you for your trouble.
Many thanks,
Warren
I would be hesitant to install an LM1117 in there. If you look at datasheet this chip, the output capacitor calls for a low ESR 10uF tantalum capacitor between .3 and 22ohm. It also needs a much bigger value input capacitor than the LM3940
The datasheet for the LM3940 specifies a low ESR ceramic Capacitor. These capacitors ESR are typical between 0.01 and 0.1 ohms.
On the other hand, I have 4 those LDO's and willing to donate one. Send me a private email.
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System Blue 19.5 PCB
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System Blue 19.5 PCB - by k2ors - 2022-04-11, 14:50
RE: System Blue 19.5 PCB - by cutty - 2022-04-11, 17:46
RE: System Blue 19.5 PCB - by k2ors - 2022-04-11, 17:57
RE: System Blue 19.5 PCB - by cutty - 2022-04-11, 19:40
RE: System Blue 19.5 PCB - by k2ors - 2022-04-13, 15:24
RE: System Blue 19.5 PCB - by dupreezd - 2022-04-11, 22:02
RE: System Blue 19.5 PCB - by k2ors - 2022-04-12, 00:43
RE: System Blue 19.5 PCB - by dupreezd - 2022-04-12, 02:32
RE: System Blue 19.5 PCB - by dupreezd - 2022-04-13, 22:51
RE: System Blue 19.5 PCB - by k2ors - 2022-04-14, 00:07
RE: System Blue 19.5 PCB - by k2ors - 2022-04-14, 13:59
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