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From here on, power the device:

  •  Slowly increase voltage (with low current limit, 100mA max) on buck input
    •  Check for excessive current/power draw (ensuring no output load)
    •  Optionally, measure potential when EN pin activates buck IC
  •  Probe the output net for voltage stability with DMM
  •  Verify the internal 3.3V rail turns on (LDO functionality)

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