Hello Stephane,
Attach to this reply is a power point analysis report of the bridge-tied-load circuit. Thank you for your patience.
Best regards,
Errol Leon
Application Rotation Engineer OPA569_Bridge_Tied_Load_Analysis.pptx
Sainer,
I suspect your stability issues are more related to the feedback loop of the switching regulator as opposed to the op amp itself. In general, capacitive load or capacitance on the inverting feedback node causes stability issues. Also, the output…
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