Part Number: UCC28780 Hi Team,
Customer is getting negative value for resistor and they want to know how to change it. Below is the inquiry.
"Hi, I am on the way to design a ACF Flyback converter with the Ti UCC28780 chip. Therefore I use the EXCEL…
Part Number: UCC28780 Hi the expert，
I have a problem when I use UCC28780 with GaN devices in 65W charger demo, under light load , the driver has two pulses, but the first pulse is too short, which is only about 130ns, Could you help me to explain the…
Part Number: UCC28780 Hello. Could you please provide me with the PSPICE or LTSPICE model of UCC 28780? I know there are SIMPLIS models, but unfortunately I don't have SIMPLIS software.
Part Number: UCC28780 Hi team,
My customer plan to design a charge and discharge equipment for bus battery. In order to achieve higher efficiency, customer wants to use ACF+synchronous rectification solution. The input is 24V and output is 3V10A. Thi…
Part Number: UCC28780 Hi,
Good Day. I have a customer who wants to know the formula of the calculation of COSS_QH_T, COSS_QL_T on the excel file.
6281.UCC28780 (1).xlsx
I hope you can help us with his query. Thank you very much.
Best Regards,
Ray Vinc…
Part Number: UCC28782 Other Parts Discussed in Thread: UCC28780 , Hi,
I would like to know what are the mean features of the UCC28782 in comparison with the UCC28780. It appears like they have similar controle modes of the Active Clamp Flyback and similar…
Part Number: UCC28780 Other Parts Discussed in Thread: UCC27712 Hello, TI experts!
I am designing an ACF converter based on UCC28780 and UCC27712.It was supposed to make a converter for an output voltage of 24 V, a maximum power of 80 watts.
I ran into…
Part Number: UCC28780 Other Parts Discussed in Thread: UCC28C43 , TL431 Hi Team,
I am designing a ACF Flyback Converter using the TI UCC28780 controller.
Currently, I am interested in the regulation loop of the controller. I would like to know more about…
Part Number: UCC28780 Other Parts Discussed in Thread: UCC28600 Hi Team,
in led display application, do we have fly-back ACDC solution?(Size optimized solution)
the input need to tolerance 1000 surge test. Input is 220V narrow voltage.
12V output,…
Hello Soroka,
Thanks for your interesting in TI's part.
UCC28780 is a flyback controller . basically , flyback is used for <150W power level design. so for 200W~400W applications . it maybe will not present a good performance due to the large primary…
