Electronics > Beginners
First pcb
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tautech:

--- Quote from: james_s on May 18, 2018, 03:58:21 am ---
It's fun to build stuff, but jeez, it's hard to buy the regulator alone for the price of the whole module shipped.

--- End quote ---
Yeah sure but check the thread title: First PCB.
Tom's only a young fella and soaking up all the guidance we can give him and for a first PCB a 317 is a good choice and almost a 'right of passage' like making your first project a homemade PSU.
Power and control devices, power paths, headers, mounting holes, different component lead hole sizes. All things we take for granted once we've do a PCB or two.

Just a few months back Tom didn't even have a DMM and wanted a broken one to fix......well until someone sent him a nice blue Brymen.
Tom's on the right path now; learn to walk before you learn to run.  :clap:
james_s:
Yeah no argument there, my comment was largely directed toward the person who said they needed one for a project.
rdl:
Useful info adapted from various datasheets.


MarkF:

--- Quote from: rdl on May 19, 2018, 12:29:29 am ---Useful info adapted from various datasheets.

--- End quote ---

Close.  But, not quite.
rdl:
According to my data sheet, you are right. I wonder how that discrepancy sneaked in. I also wonder if it makes any difference where C2 discharges to.
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