Solution Finder Get Tech Support

TNY375 now obsolete is there an alternative

Posted by: mpcengineer on

Hi,

We have designed in the TNY375 but this has now gone obsolete.

Can you suggest an alternative we can drop in its place.

Regards,

MPC

Comments

Submitted by PI - Traveler on 05/18/2012

MPC -


I'm afraid there isn't a drop-in replacement due to the unique peak power features present in TinySwitch-Peak. Typically, when one of our parts goes obsolete, we'll offer a last time large quantity purchase so that existing customers can keep building their existing power supplies.


As far as replacement parts go, we do still have the TinySwitch-III product line. If you provide me with information about your existing design, specs, etc, I might be able to help you find one of our current production parts that could be used with minimal modifications to your existing design. Unfortunately though, there won't be any direct drop-in replacements that I'm aware of.


Please let me know if I can be of further help.

-The Traveler

Submitted by mpcengineer on 05/20/2012

Hi,

We have a 5W design using a 750uH primary transformer.

The core is EF20 N87 type gapped to give 750uH inductance, see attached document

Thanks.

MPC

Submitted by PI - Traveler on 05/29/2012

mpcengineer -


Thank your getting back to me. Unfortunately, I can't provide too much assistance with the information you gave me.


Information that would be helpful:
- Input Specs: AC or DC voltages, frequency, etc
- Output Specs: Output voltage & tolerance, output current, continuous power rating, peak power rating, etc.
- Environmental Specs: operating temperature, EMI, ringwave and surge requirements, etc
- The schematic you're using in your existing design.
- The PCB layout you're using in your existing design.
- Any PI Expert files you have from your initial design.

-The Traveler