Searching \ for '[OT]: ATX power on?' in subject line. ()
Make payments with PayPal - it's fast, free and secure! Help us get a faster server
FAQ page: www.piclist.com/techref/power.htm?key=power
Search entire site for: 'ATX power on?'.

Exact match. Not showing close matches.
PICList Thread
'[OT]: ATX power on?'
2004\07\15@042052 by techy fellow

picon face
How about if I were to use old AT style PSU (I may be able to get one) ? That is, one generation before ATX that has a physical switch at the back of the PSU. Will it still has the same 'load' problem ?

Thanks,
Davis

Morgan Olsson <spam_OUTdlistTakeThisOuTspamMORGANSREGLERTEKNIK.SE> wrote:
Anthony Toft 05:12 2004-07-15:
>Using it in this mode will work OK, but remember that the PSU won't
>output anything without some load

Worse, it is usually not stable, or will risk cycle on/off with too little load.

/Morgan


--
Morgan Olsson, Kivik, Sweden

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads


---------------------------------
Do you Yahoo!?
Yahoo! Mail - 50x more storage than other providers!

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

2004\07\15@060114 by Russell McMahon

face
flavicon
face
> How about if I were to use old AT style PSU (I may be able to get one) ?
That is, one generation before ATX that has a physical switch at the back of
the PSU. Will it still has the same 'load' problem ?

Essentially the same. Needs a minimum load to regulate OK.

       RM

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

2004\07\15@092243 by Dave Lag

picon face
FWIW:
Automotive lamps seem like the easiest loads to use.
Would the surge 'till the filament heats up be likely to trip the protection?

At 06:00 AM 7/15/04, you wrote:
> > How about if I were to use old AT style PSU (I may be able to get one) ?
>That is, one generation before ATX that has a physical switch at the back of
>the PSU. Will it still has the same 'load' problem ?
>
>Essentially the same. Needs a minimum load to regulate OK.
>
>         RM

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

2004\07\15@095229 by Russell McMahon

face
flavicon
face
> Automotive lamps seem like the easiest loads to use.
> Would the surge 'till the filament heats up be likely to trip the
protection?

Lamp surge can be many many times running current.

The el cheapo rectangular 5w and 10w wirewound, ceramic bodied resistors
that are available all over are arguably a better solution. More robust, not
so fragile, not socketed. Does depend on how much wattage you need for
stability. You can also get very high wattage resistors at a good price
surplus (50W, 100W, 200W, ...) - depends on whether this is for one or many.

A soldering iron element may make a good load? Would probably want a bit or
equivalent in place to get some conducted then radiated cooling from the
core.



       RM

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

2004\07\15@104152 by Jake Anderson

flavicon
face
depending on how much current you want.
there is a "standby" supply

*looks at side of his powersupply* (what you guys have the *sides* on your
computers?)
+5v standby 2 amps.

take a look at the specs, you may be able to use this?


> {Original Message removed}

2004\07\15@172140 by Chetan Bhargava

picon face
I use the Dale resistor with fins.
http://65.61.11.207/images/DALE_RH50.jpg

Regards,

> The el cheapo rectangular 5w and 10w wirewound, ceramic bodied resistors
> that are available all over are arguably a better solution. More robust, not
> so fragile, not socketed. Does depend on how much wattage you need for
> stability. You can also get very high wattage resistors at a good price
> surplus (50W, 100W, 200W, ...) - depends on whether this is for one or many.
>

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

2004\07\15@192245 by Matthew Brush

flavicon
face
> The el cheapo rectangular 5w and 10w wirewound, ceramic bodied resistors
> that are available all over are arguably a better solution.

That's what I use for my Benchtop Power Supply.  A 10ohm 10W wirewound across the +5v leads.  Works like a charm, doesn't even get hot.

Cheers

MJ Brush

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

More... (looser matching)
- Last day of these posts
- In 2004 , 2005 only
- Today
- New search...