Need dc-to-dc step-up from 9.6v to 455~510vdc

[James Korolas]

Hi.

I'm stupid. OK, I'm actually reasonably smart, but electronics boggles my mind.

In layman's terms, can someone supply me with a schematic with well marked & identified components/values to build as simple a dc-to-dc step-up converter to take a 9vdc rechargeable battery pack and spit out 455~510vdc?

I have an old off-camera strobe that needs a 510vdc battery (which costs from $70-$100 and lasts about 6 months). I have an AC-to-DC step-up converter (120vac to 455vdc) which drives the unit nicely.

So, please, please, please can one of you fine ladies and/or gentlemen help me in this task?

I'd prefer and email response (jkorolas@hotmail.com) so as not to suck-up bandwidth with circuit diagrams.

Thanks in advance to anyone who can help (and there can NEVER be too many responses).
-James

 

[Andre]

"James Korolas" <jkorolas@hotmail.com> wrote in message news:<sSbOa.383$ib2.55774269@mantis.golden.net>...

Hi.

I'm stupid. OK, I'm actually reasonably smart, but electronics boggles
my mind.

In layman's terms, can someone supply me with a schematic with well
marked & identified components/values to build as simple a dc-to-dc
step-up converter to take a 9vdc rechargeable battery pack and spit out
455~510vdc?

I have an old off-camera strobe that needs a 510vdc battery (which costs
from $70-$100 and lasts about 6 months). I have an AC-to-DC step-up
converter (120vac to 455vdc) which drives the unit nicely.

So, please, please, please can one of you fine ladies and/or gentlemen
help me in this task?

I'd prefer and email response (jkorolas@hotmail.com) so as not to
suck-up bandwidth with circuit diagrams.

Thanks in advance to anyone who can help (and there can NEVER be too
many responses).

Hmm,

1) Obtain CCFL module (CPC do them)

2) Add series capacitor(s) sized to limit the voltage to less than
what is required with the addition of a pair of series connected HV
zeners across the output

Should work .

(Warning, DANGER, those CCFL modules are really vicious, if you bridge
the output they will produce a fat, damaging arc at least 8mm long .
Make sure to use a load on the output !)

-A

-James
--

 

[Tweetldee]

"Andre" <testing_h@yahoo.com> wrote in message
news:2c2cf14c.0307081011.b8420ec@posting.google.com...

"James Korolas" <jkorolas@hotmail.com> wrote in message
news:<sSbOa.383$ib2.55774269@mantis.golden.net>...
Hi.

I'm stupid. OK, I'm actually reasonably smart, but electronics boggles
my mind.

In layman's terms, can someone supply me with a schematic with well
marked & identified components/values to build as simple a dc-to-dc
step-up converter to take a 9vdc rechargeable battery pack and spit out
455~510vdc?

I have an old off-camera strobe that needs a 510vdc battery (which costs
from $70-$100 and lasts about 6 months). I have an AC-to-DC step-up
converter (120vac to 455vdc) which drives the unit nicely.

So, please, please, please can one of you fine ladies and/or gentlemen
help me in this task?

I'd prefer and email response (jkorolas@hotmail.com) so as not to
suck-up bandwidth with circuit diagrams.

Thanks in advance to anyone who can help (and there can NEVER be too
many responses).

Hmm,

1) Obtain CCFL module (CPC do them)

2) Add series capacitor(s) sized to limit the voltage to less than
what is required with the addition of a pair of series connected HV
zeners across the output

Should work .

(Warning, DANGER, those CCFL modules are really vicious, if you bridge
the output they will produce a fat, damaging arc at least 8mm long .
Make sure to use a load on the output !)

-A
-James

Please bear in mind that unless you buy or build a rather hefty DC-DC
converter, that the recycle time of the flash will be in the order of 10-15
seconds or more(depending on the current capability of the converter). In
order to get very fast recycle times, the converter has to be able to supply
a high current to get the flash capacitor charged up in a hurry.
--
Tweetldee
Tweetldee at att dot net (Just subsitute the appropriate characters in the
address)

Time is what keeps everything from happening all at once.