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TPS61169: Regarding unstable switching

Part Number: TPS61169


I asked about the unstable switching of TPS61169 in the thread below.
I changed the output capacitor from 4.7uF to 1uF and measured it.
The result is shown below. It's worse than before the change.
I haven't changed the inductor yet, but is there any way to stabilize the switching other than changing the capacitor or inductor?

Best regards,