Maker Pro
Maker Pro

Help for breadboarding components

KrisBlueNZ

Sadly passed away in 2015
Nov 28, 2011
8,393
Joined
Nov 28, 2011
Messages
8,393
The LTC3108 operates with very fast switching times and a breadboard is not really suitable for prototyping it. If you really want to do this, I'd suggest that you mount the transformer upside down onto a piece of stripboard or pad array board, and solder wires to the SMT connections or bumps.

I strongly recommend that you buy an evaluation kit for the LTC3108.
 

OLIVE2222

Oct 2, 2011
690
Joined
Oct 2, 2011
Messages
690
The LTC3108 works at rather low switching frequency (datasheet page 16) so a breadboarded prototype should be OK. The upside down mounting of the transformer is a good suggestion however.
 

KrisBlueNZ

Sadly passed away in 2015
Nov 28, 2011
8,393
Joined
Nov 28, 2011
Messages
8,393
Low switching frequency doesn't mean slow edges. These inductors range from 7.5 µH to 25 µH. That normally corresponds to a pretty fast dV/dT. I'm not very familiar with these devices so I could be wrong, but I don't think breadboarding is suitable. I expect Linear Technology offer an evaluation board. That's the best option.
 

OLIVE2222

Oct 2, 2011
690
Joined
Oct 2, 2011
Messages
690
Well linear technology is talking about a not as critical as with many other DC/DC converters PCB layout.
The LTC and the transformer are available as free samples, so the OP can probably give a cheap try before buying 150$ evaluation board.
 

KrisBlueNZ

Sadly passed away in 2015
Nov 28, 2011
8,393
Joined
Nov 28, 2011
Messages
8,393
Yes, USD 150 is pretty steep, and the tindie.com board looks like it will do everything the LTC demo board does!
 
Top