Part Number: LM5020
Dear Team,
It needs to have LM5020 on boost application schematic with below condition by our customer. Do we have suitable reference design?
Please help comment for our customer reference.
Vin: 48V
Vout: 54V
Power: 30W.
I only…
Hello Haixian, Thank you for the screenshots.
So, in the "good" case, does the FB signal not change at all when the input voltage jumps up (as this is the quicker change)? Is the duty cycle the only thing that changes there?
Anyway, looking at…
Other Parts Discussed in Thread: UC1842 , LM5020 Previously, I was using UC1842 IC. There is any no problem from it.
I want to use LM5020 integrated, but where should I connect the sync input and shutdown points? I want to use my ORCAD Pspice Project.
Part Number: LM5020 The problem is as follows. We use the LM5020-2 as a flyback converter 24V250V/15mA. The flyback converter is actually running, but we have a subharmonic oscillation with f_sw/2 on the signal. The duty cycle changes with half the working…
Part Number: LM5020 Other Parts Discussed in Thread: LM5155 ,
I carried out the design as shown in the picture. However, the simulation does not work smoothly. Please review whether the designed circuit is a normal circuit. And I would appreciate it if you…
Part Number: LM5020
Hi
The attached picture is a block diagram of LM5020.
I want to know the current sense amplifier gain, which is the marked part.
Thank you
Part Number: LM5020 Hi team:
My customer use LM5020 to design a 220AC vin -> 12V4A power module.
In EMI test ,we found the 20Mhz area have 10 times switching frequency. The load the customer others productions, Not non-electronic load.
Here attached…
Hello Ian,
As we did not hear back from you, I expect that your issue is solved and I close this thread. Please post below if you have further question or start a new thread.
Best regards, Brigitte
Hi Allan,
I have not seen an update for the last 17 days, so I assume the questions are/or answered and the issue is solved. I close this thread now. If there is still something open reply and the thread will get open again. If you have any other question…