Hi Lilian,
1. Compensator zero design: C28 and R29 have good values considering a BW=fsw/10. However, C10 should be very low compared with C28 to add a high frequency pole to compensate the gain of the compensator zero. I recommend using C10=C28/10=10nF…
Part Number: UCC28C56H Hello,
is it possible to drive a PWM signal into the RT/CT pin rather than installing R & C? if not possible, can you recommend a part that allows this function?
thank you.
Part Number: UCC28C56H-Q1 Other Parts Discussed in Thread: UCC28C56EVM-066 , Questions about UCC28C56EVM-066, (doc bumber sluucn1c)
1. Q1, Q2 form HV startup for VDD, but zener D5 to Q2's gate, can not be breakup to generate a voltage of 25V. so what is…
Part Number: UCC28C56H Hi team,
Is there a more detailed description of the principle of high-voltage startup of the demo board? I and customer don't quite understand its working mechanism.
Thanks
Lillian
Part Number: UCC28C56H-Q1 Hello TI.
When unloaded, we have around 95V and when fully loaded we have 62V. Is it possible to improve this somehow? Maybe Rfbu is too high? How can this be troubleshooted?
Attached transformer datasheet, do you think it could…
Part Number: UCC28C56H Hello TI,
We have a custom transformer made and have designed a PCB based on your EVM.
We have set a 55V output but once we load with 47ohms, it goes down to around 45V and at 100ohm load the Vout goes down to 36V. Why is that…
Part Number: UCC28C56H HI TI,
Can this IC be used by either a low or high inductance transformer and it will select itself whether to operate in CCM or in DCM? We are selecting a transformer and dont know what mode to go for. CCM has advantages but will…
Part Number: UCC28C53-Q1 Other Parts Discussed in Thread: UCC28C56H Tool/software: Dear Team ,
in the EVB of the UCC28C56H Q1, we can see the Short circuit to Ground waveforms. I have some qtns on that pls reply :
1. Does the UCC28Cxx family supports…
Hi Seungypo,
Thank you for reaching out.
I think the following references should help in the design of clamp circuit and converting from cascode configuration to 1700V SiC FET option.
https://www.ti.com/lit/ug/tiduea2a/tiduea2a.pdf?ts=1717065956737
https…
Part Number: UCC28C56EVM-066 Other Parts Discussed in Thread: UCC28C56H Hello,
I am working on UCC28C56EVM-066 Evaluation board for my testing.
My board needs a supply of 5V from Evaluation board. So, I am taking supply from Vaux (18.7V) to my board. My…