Part Number: UCC28070
Tool/software:
I am designing a power supply of specifications are Input: 230VAC 50Hz and Output: 180VDC 15A.
I want to confirm my design for the EMI/EMC and PFC. and want guidance for the values of component selection for PFC …
Part Number: UCC28070 Tool/software: We have developed a 5 Kw PFC design based on the TI's data sheets, schematics (file name PMP4311A by Jack Zhang 50KHz clock) and TI's on line Webench Power Designer . However we find that there is no consistent…
Part Number: UCC28070 Tool/software: Hi,
I am using UCC28070IC for Front end PFC converter,
P=3.5KW,Input =190V to 265V AC output is 400V DC
My converter works fine,but when i am connecting to 230V AC turned on,at full load line voltage drops to 22…
Part Number: UCC28070 Tool/software: Hi team,
When designing with AC170~264Vin, 750Vout, according to the notes in Table 1, kr = 3V/750V = 0.0004. If the VIN peak voltage is 240Vpeak (170Vac), Vvinac is 0.096V, so should I use 0.398 for kvff?
Part Number: UCC28070 Dear All,
I am trying to make an interleaved PFC using UCC28070. Presently I am at the schematic design stage. I need for operation in 3kW power level at 230 V input. I doubt the current sense network. I am highlight the part in…
Part Number: UCC28070 Other Parts Discussed in Thread: UCC27624 Tool/software: HI
I am Testing a 3.3kw interleaved PFC using UCC28070
Input AC voltage: 230, 50HZ
the output voltage is 400V regulated by IC
But As I am loading the PFC to the current waveform…
Hello Sachin,
The slope and offset circuit (highlighted above in light blue) are normally used to correct for some other kind of spiky crossover distortion that can happen in some design cases. If your design does not such distortion, there is no need…
Part Number: UCC28070 Tool/software: Hi Ulrich,
starting from the sketch designed by you, I made an LTSpice simulation to verify the functionality.
Based on the values given the VINAC signal do not reach zero level when in DC mode (see the red circle…
Part Number: UCC28070 Tool/software: Dear TI
i verify web bench for ucc28070 below condition
Vac: 190~265
Vout: 390V
Iout: 9V
custum freq: 30kHz
other condition : dithering + best eff
20220129_제니스_TI_PFC_재검토_20220615_WBDesign230.pdf
20240710_MPP_TI_PFC_UCC28070_WBDesign281…
Part Number: UCC28070 Hi Ti expert,
I am using Excel calculation for interleaving PFC ,while doing so optional Freqency dithering magnitude,frequency dithering rate
Could you please explain about this?
what could be the range of frequency to be entered…