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  • The output voltage drops when a load is connected.
    • Possible causes and recommended corrective actions are as follows.
      Cause: The output oscillates.
      Action: Verify the connection of the capacitor between the input and output.
      Cause: The current flowing exceeds the peak output current.
      Action: Lower the input voltage, which effectively decreases heat and, as a result, the chip temperature.
      *Please note that a relatively high current is necessary in order to start up the regulator when a motor or lamp is connected as the load.
      Cause: The chip temperature exceeds 150ºC.
      Action: Lower the chip temperature, which effectively decreases heat and, as a result, the chip temperature.
      Cause: The input and output are connected in reverse.
      Action: Check the pin connections.