Hi Harish
Sorry for late answer but I held this project because of other priorities.
Large output capacitors did not solved this issue, I must redesign layout and maybe change transformer but this will take some time.
Link:
Harish Ramakrishnan5 said: …
Part Number: UCC28633 Other Parts Discussed in Thread: UCC28634 , UCC28631
Dear Sirs. We have designed a flyback conveter using the UCC28633 with a defined output of 65V following the recomendations from corresponding technical notes. But we are having…
Part Number: UCC28633 Hi,
We are making a power supply with
Input - 90v - 480v AC to output 12v 1A
Using reference design for the same, I Request you to please suggest
- A suitable specification for the EMI filter section, can we replace PI filter after…
Part Number: UCC28633 Dear TI Team,
I have attached an AC/DC TI Power Designer. They give me a circuit output of 16.8V and 10A.
I found all components except transformer.
https://webench.ti.com/power-designer/switching-regulator/customize/16?noparams…
Hi, Wouter:
Wouter Platteau said: It starts up and does his regulation until the Vout is high enough. Then is goes in to a mode where it reduces his regulation. Every 5,28ms is check's its Vout to see if extra regulation is necessary. By doing this check…
Part Number: UCC28633 I am Keshab I develop a smps with ucc28633 as per web design tool also transformer. Also follow all the recommendation. input is universal and output is 24v/5a. I faced starting problem. UCC28633_120X75.pdf
Hello Mike,
Thank you very much for your input. Sorry for my delayed response. The problem is sorted out as per your input. The controller was going in Over Current fault mode. The snubber and the value of Current Sense resistor had to be altered to…
Part Number: UCC28633 Other Parts Discussed in Thread: UC2844 Hi,
My customer check with me if this device can support to set the UVLO to 150V. if not, could you please recommend another device which can meet this requirement? thanks.