Part Number: LM63440-Q1 Tool/software: What can cause the part to not enter PFM mode at light load. With very little load we are still seeing it switching at the normal frequency, 2MHz.
There is some ringing on the switch node.
Part Number: LM5190 Other Parts Discussed in Thread: LMR60440 , LM25190 , LMR51440 , LM63440-Q1 , LM61440 Tool/software: My Question was:
Is there an IC to design a constant current supply with the following parameters:
Input: 10-13VDC (50Watt max…
Thanks for the prompt response ,Timothy
I have gone through your feedback points and attaching the new Quickstart sheet:
1-Inductor value changed from 3.3uH to 4.7uH(MPN: 744393605047 from wurth). Inductor ripple current 31%.
2-ESR will be very…