TOPSWITCH 250YN POWER SUPPLY OPERATING RANGE PROBLEM.....
Posted by: onkar shukla
on
I have designed 160w multioutput power supply using top 250yn switch by pi expert 8 suite. I have done everything correctly but the supply works only in 70 to 90v input range, after that it will goes off. please suggest what i can do for this problem......
i have attached the file in below attachment......
Files
| Attachment | Size |
|---|---|
| TOPSwitch-GX_PIDesign4.uds | 273 KB |
Try shorting your L-pin to Source (which should disable the line overvoltage and undervoltage features).
Let me know if this changes your input voltage operating range.
Regards,
-The Traveler