I wasn't sure about this, but went on the web to check. Power One's on-line glossary uses "within regulation" as their criteria.
See: http://www.power-one.com/tech/glossary.html Regards, Doug On Fri, 28 Aug 1998, Dan Mitchell wrote: > I have a collegue that would like a definition of Hold-up time as it > pertains to a power supply. > It is agreed that the time should be measured at 120VAC input and full load > on the output. > Time starts when the AC input shuts off (preferably at the + or - peak). > Here is where the question comes in. Should the hold-up time stop when > the output voltage drops out of regulation, or when the output voltage > drops to 75% of the regulated output? > Personally, I would use 90% of regulated, but 2 of our engineers are > disagreeing and both are very adament that they are correct. I hope one of > our subscribers may have a verifiable answer. Thanks in advance.\ > > > Daniel W. Mitchell > Product Safety > EOS Corp. > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to majord...@ieee.com > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to ed.pr...@cubic.com, > ri...@sdd.hp.com, or roger.volgst...@compaq.co (the list > administrators). > > --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.com with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to ed.pr...@cubic.com, ri...@sdd.hp.com, or roger.volgst...@compaq.co (the list administrators).
