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From: maa@nbires.nbi.com (Mark Armbrust)
Newsgroups: sci.electronics
Subject: Re: PCs and line power
Keywords: 3 phase balance, diode bridge supply
Message-ID: <416@nbires.nbi.com>
Date: 26 Jun 89 20:31:19 GMT
References: <4391@tekig5.PEN.TEK.COM> <9355@fluke.COM>
Reply-To: maa@nbires.UUCP (Mark Armbrust)
Distribution: na
Organization: NBI Inc, Boulder CO
Lines: 17

In article <9355@fluke.COM> jat@tc.fluke.COM (J. Andy Tiura) writes:
>
>Look for more power supply vendors to incorporate power factor correction
>into their OEM supplies now that at least three IC vendors have introduced
>chips that perform that function.

Especially since this is an IEC requirement effective 1992.  There is a 
reasonable article about the Micro Linear Corp. ML4812 Power Factor Controller
in the June 8 issue of _Electronic Design_.

This requrement is for supplies with 300+ watt input.

-- 

Mark Armbrust
maa@nbires.nbi.com
maa@nbires.UUCP