AC - DC controller/psu chip

[skenn]

Has anyone come across a device for lowpower mains AC to DC conversion ?. I am looking for 250mA@12V from 230VAC for lighting pwuposes(isolation not a concern)

TIA
Shane

 

[felixc]

I remember an article presenting such a device. Gaah I don't remember the company's name. Keep on searching, it does exist!

 

[IRstuff]

??? What's wrong with the usual AC adaptors at stores?

http://www.officemax.com/max/soluti...xpansionOID=-536883105&prodBlockOID=537406311

TTFN

 

[itsmoked]

skenn; 4-shore, just use a wall wart or a cord wart! They provide isolation(always nice to have). They also suck in 90-250VAC usually without complaint. You can look around and find them pretty cheap too.

 

[skenn]

I don't want to use bricks, because my solution will be ceiling mounted, maybe inside the lamp (LEDarray) fitting it'self

 

[sreid]

Try a Supertex SR03.

http://www.supertex.com/feature_sr03x.html

You'll need a bigger IGBT (International rectifier?) for 250 ma and a post regulator to get to 12 VDC.

 

[skenn]

Dang...almost !. I need 24V...or 400mA@12V. Maybe still workable...thanks sreid