Part Number: UCC28742 Other Parts Discussed in Thread: TIDA-01505 , UCC28C43 , UCC28722 Tool/software: Hi team,
Can the UCC28742 IC operate in quasi-resonant mode? If so, why does it not have a QR input?
Regards,
Tsvetan Ginin
Part Number: UCC28742 Tool/software: Hi Team ,
I m using your UCC28742 Simplis model for simulation but we are getting errors while simulation it .Below is the error message i m getting .i just want to know weather we can run this example simulation…
Part Number: UCC28742 Tool/software: Hi,
Thank you for your reply. Attached is circuit of output part, now the output capacitance is about 700uF. It maybe a little small, but I think is OK. And I try increasing the capacitance, it seems almost the same…
Part Number: UCC28742 Tool/software: Hi,
When I use UCC28742 to ouput 5.2V(main feedback), 15V and 24V, 5.2V has overshoot. Maximum voltage is about 5.8V, exceed 10%. At the beginning, switching frequency is high, how should I adjust the parements?…
Part Number: UCC28742 Tool/software: Hello,
I am trying to use the design calculator tool (SLUC652b). I have inputted my values and chosen a desired minimum valley voltage of 0V. This leads to a recommended input bulk capacitance of 13.7 uF. However…
Part Number: UCC28742 Other Parts Discussed in Thread: PMP31193 Tool/software: i'm implementing UCC28742 by reference of PMP31193 in a three phase 380VAC design.
the circuit diagram is shown as below, i found that the output of 24V is only around 6V…
Part Number: UCC28742UCC28742 Circuit Design with Excessive AUX Voltage:
The UCC28742 integrated circuit (IC) datasheet specifies that it can safely operate with a bias supply voltage (VDD) between 9V and 35V.
In your WeBench design, the AUX winding…
Part Number: UCC28742 Tool/software: The datasheet for this part seems to indicate that the max power point occurs when: -the Ics produces a peak voltage of 770mV (Vcst(max) on the datasheet) AND -when the frequency is at 105kHz Although the design worksheet…
Part Number: UCC28742 Hello guys,
One of my customers is considering using UCC28742 for their next flyback power supply.
At this moment, they have the following question. Could you please give me your reply?
Q. We don't need to isolate between primary…
