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.
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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.
Hello,
Please share your schematic and the specific OPN you are using.
Please also share a waveform of the ringing you observe on SW
Best regards,
Ridge