Hi,
I think you need to test on one physical board and using that good board, just replace the PWM controller chip. It looks to me one of your boards has something wrong since the ripple on 5Vout is at pulse off so the energy is delivering from the transformer…
Part Number: UCC28C43 Tool/software: To whom it may concern,
I am reaching out on behalf of my employer to request a letter of volatility (LOV) for part UCC28C43. The LOV will be used to develop sanitization procedures for hardware which this part is…
Part Number: UCC28C43 Tool/software: To whom it may concern,
I am reaching out on behalf of my employer to request a letter of volatility (LOV) for part UCC28C43. The LOV will be used to develop sanitization procedures for hardware which this part is…
Part Number: UCC28C43 Tool/software: Hello,
We have recently received UCC28C43D after PCN implementation of PCN#20211123004.0, and our circuits are no longer stable. I am including scope captures below showing the following voltages: GREEN: VREF, YELLOW…
Part Number: UCC28C43 Other Parts Discussed in Thread: UCC28C44 Tool/software: Hi team ,
my customer wants to use UCC28C44 to do 7.5kW PFC，do we have some reference code to provide? Thanks
Part Number: UCC28C43-Q1 Other Parts Discussed in Thread: UCC28C43 Tool/software: Hello Team,
I'm using the UCC28C43 as the flyback controller (DCM operation). I have designed a startup circuit to supply the controller intially. This will supply until…
Part Number: UCC28C43 Tool/software: Hello,
Can you please provide me the PCN associated with UCC28C43DGK. PCN 20221216002.1 does not include the DGK package but I have received product in the newer configuration.
Thanks
Part Number: UCC28C43-EP Tool/software: Hello,
Can i know the process technology/Wafer technology of the above mentioned Part number(UCC28C43MDREP)for our critical aerospace applications, our client required to provide these data . thank you
Part Number: UCC28C43 Other Parts Discussed in Thread: TL431 Tool/software: Dear Sir,
I have compensation question about UCCx8C4x between below figure.
How do I choose a compensation network? What’s the difference between these? 1. FB is connected…
Part Number: UCC28C43-Q1 Other Parts Discussed in Thread: UCC28C43 Tool/software: Hi team,
My customer Valeo are using UCC28C43 for their HVLV flyback circuit.
They performed the simulation, the Idd of UCC28C43 reached about 4mA during starting up.
I…
