🚀 go-pugleaf

In message <32b22fb2.14926704@news.mel.aone.net.au> -
dcstar@acslink.aone.net.au (David Clayton)Sun, 15 Dec 1996 21:16:35 GMT
writes:

[edit]

:>>I would like to know your background for making such statement. We are
:>>The switched mode power supply is one of the safest I can think of.
:>>From the very start in Colour TV some 25-30 years ago, you find very
:>>little wrong with these supplies. They very rarely have a disasterous
:>>burn out as had the standard supplies. 
:>>
:>Except that there is no physical isolation from the mains supply - as
:>there would be with a double insulated transformer.

The low voltage side of a switching power supply is isolated from the mains by
a large area of PCB and the switching transformer. The only connection between
the two is the feedback loop, usually through an opto-coupler. Seems pretty
well isolated to me.


Gordon Newell
Registered user of many fine OS/2 applications: Describe, Faxworks, ZTBold,
Neologic News/FTP, FontFolder 2.0, KWQ Mail/2, VisPro REXX, Object Desktop,  
Toyland, MR/2 ICE, iLinkl/2 and let's not forget WARP 4.0.