From: John Larkin on 2 May 2010 10:26 On Sat, 01 May 2010 23:00:21 -0600, hamilton <hamilton(a)nothere.com> wrote: >On 5/1/2010 8:21 PM, JosephKK wrote: >> On Fri, 30 Apr 2010 09:51:54 -0600, hamilton<hamilton(a)nothere.com> >> wrote: >> >>> Is the OP still around ? >>> >>> I hope he now understands what he was asking for >>> and will ask again for what he needs. >>> >>> hamilton >> >> If you had really followed the thread you could have found out that >> surface mount is also desirable. Thus no mega-isolation. > >Hmmm, surface mount or not, opto isolated power in not realistic. > >I was wondering if the OP understands what he was asking, that there is >no chance in hell that his request was feasible. He said that the word "opto" was an oversight. He seems to want a conventional isolated dc/dc converter, and they are available in surface mount. John
From: Richard Torrens (News) on 7 May 2010 12:38
In article <e0386fab-8e6f-4e2d-a88d-777f32f8ac25(a)d42g2000yqf.googlegroups.com>, Johnny5 <dirtylogicdesigns(a)gmail.com> wrote: > Gentlemen, I was curious on any ideas of an opto dc-dc converter > providing 20mA. Small footprint and heighth.. > Any ideas? Please and Thank You. > VIN-8-16VDC > VOUT 5VDC 20mA, I did an opto dc isolator many years ago. The principle is still good, but the implementation my change: http://www.4qdtec.com/aoi.html Analogue opto isolator -- ------------------------------------------------------------------ Richard Torrens. News email address is valid - for a limited time only. http://www.Torrens.org.uk for genealogy, natural history, wild food, walks, cats and more! |