Uploaded April 2023 | Updated September 2026, 1 week ago

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#187 In this video I look at a more complex power supply related measurement that is supposed to tell you how stable the supply is and how fast it can react, among other things. The test in question refers to characterizing the feedback loop - how will the power supply react based on the frequency of the perturbation applied?

PSU Series videos
PSU Static Output: youtu.be/ESz64YnDEIg
PSU Dynamic Output: youtu.be/l0bELIic8PE
PSU Output Noise: youtu.be/vzhEt3t5VXw
PSU Loop response: youtu.be/clUtlYPEwfc

Further reading:
ti.com/seclit/ml/slup386/slup386.pdf
ti.com/lit/an/snva364a/snva364a.pdf
omicron-lab.com/fileadmin/assets/Bode_100/ApplicationNotes/DC_DC_Stability/App_Note_DC_DC_Stability_V3_3.pdf

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