Part Number: UCC28061 Hello Team,
Could you kindly help me see if the below waveforms are a common issue for PFC Controller?
Here are the issues my customer is facing:
When the output is no-load, the two gate outputs work in phase (It should…
Part Number: UCC28061 Other Parts Discussed in Thread: UCC28064A Hi Support team
In order to control PHB into single phase stage, the COMP voltage is key factor,
what conditions that will affect the COMP voltage (VINAC? TEST? VSENSE? Choke parameters…
Part Number: UCC28061 Other Parts Discussed in Thread: UCC28064A Hi Support team
my customer encounter harmonics margin not enough issue in high line & Pin 75W
However, the countermeasure now is reduce TSET resistor from 143K ohm change to 100K ohm…
Part Number: UCC28061 Hello,
My customer got urgent issue during 320W application test using UCC28061.
In the prototype test, it was found that the PF value was unstable and accompanied by a large sound during 120Vac input, if the input voltage increased…
Part Number: UCC28063 Other Parts Discussed in Thread: UCC28061 Dear Expert
Ctm change UCC28063 to UCC28061 ,and system fails to start .The Pin5 COMP is low lever ,other pin voltage are normal.
Below is schemetic ,pls check! 24v8a.pdf
Part Number: UCC28061 Other Parts Discussed in Thread: UCC28063A Hi Support team,
My customer is looking for the excel/mathcad calculation tool for UCC28061, would you please kindly share the tool to us?
Thanks a lot.
Best Regards,
Wei-…
Part Number: UCC28061 Other Parts Discussed in Thread: UCC28064 , The operation in the no-load state immediately after startup is always GDB (channel B) only. Is this a normal operation in light-load? I could not check this mode in the data sheet.
…
Part Number: UCC28061 Dear Team,
My customer is evaluate UCC28061 and L6562.
L6562 can operate from 500kHz-1000kHz.
He is wondering how about UCC28061 's minimum off time and maximum operating frequency.
Or you have better IC suggestion please…
