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TPS54160A: TPS54160A: Split-Rail Power Supply Bode Diagram Measurement

T Kishi
Genius 4425 points
Part Number: TPS54160A

Hi

My customer has question.

When measuring Bode diagram with Split-Rail Power,
Is it correct with the attached wiring?

Regard

T Kishi

  • 0
    TI__Expert 8245 points

    Hi,

    We recommend to test loop response from the close loop start and end point. On this circuit, the loop doesn't start from VOPOS-GND but from VOPOS-VONEG. You may move the black probe to VONEG. And looks there's no ripple injection probes which should be between the 50Ohm resistor, please check it.