how to increase SMPS current capacity

[abhishek.2138]

My SMPS current rating is Input- 230V AC
Output- 27 to 31 V DC
Current rating is 18A. I want it to increase it to 26A.
The PWM Controller IC is KA3525 & MOSFETS are 11NK100Z.

Please suggest me what improvement should be done?

 

[schmitt trigger]

All, and I mean all the major components in the powertrain would most likely require replacement, plus some of the feedback components.
Then the thermal management would have to be addressed.

 

[goldsmith]

My SMPS current rating is Input- 230V AC
Output- 27 to 31 V DC
Current rating is 18A. I want it to increase it to 26A.
The PWM Controller IC is KA3525 & MOSFETS are 11NK100Z.

Please suggest me what improvement should be done?

Hi abhishek.2138
It's not as simple as you think because you are going to increase current capability of a designed SMPS , so you must be able to analyze it at first , ( and as well ) ( what topology / how are feedbacks / how is it's transformer and ... etc )
it's seems that you must change many of the parts of your circuit . so i highly recommend you to don't go through it and design a new converter .

Best Wishes
Goldsmith