Need IC sugestion to a Switch Mode PS !!!

[bws]

hello

i come from Denmark so my writing can be a bit difficult to read, but as the subject says, i need a IC to a SM-PS, that can control the circirt, so i only have to calculate the coil, freqvens, capasitetor and so fworth. i want the make run directly to the power-net not using any transformer, here in denmark we have 230VAC, just so you know....

hope you can help

Bjarne

 

[RFDave]

Take a look at

Linear Technology (www.linear.com)

They have a line of switcher controller IC's. I think you'll still need a transformer though. Perhaps you could use a wall wart to go from 230v to 12V, and then use a switcher supply from 12V to you final voltage

Dave

 

[satya_vijayawada]

topswitch is the good smps controller

for more details try this

www.powerint.com


another one is


Fairchild Power Switches (FPS™)

h**p://www.fairchildsemi.com/products/analog/fps.html

 

[vaibhav.k]

You dont have to design all this things
Just downlaod PI Expert and study it.
You will get all the details.

 

[DrBob13]

Hi Bjarne,
Fairchild Semi have some useful design solutions for lower power off-line Switching PSUs that are easy to use and have free software that you can download that will handle the whole design process (using their devices) for you, the two designs that I have tried using this software worked well. This software needs a bit of getting used to but once you have got into it all seems to work well.

https://www.fairchildsemi.com/power/
https://www.fairchildsemi.com/whats_new/offline_smps_toolkit.html

The first one gives an icon to click to download the design guide, the second one points to the software.
I hope this helps.

Best regards
Bob.

 

[tyassin]

Hej Bjarne,

Just another choice, you can look at www.national.com **broken link removed**

Here you just plug in your specs and it gives you some recommendations.

Take a look....