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LM46000-Q1: Problems with proper startup

Part Number: LM46000-Q1


I got a problem with the simple switcher LM46000-Q1. When I apply the target input voltage on the Vin pin in one step (0V->24V) the LM46000-Q1 does not work properly. The output voltage reaches only 2V-3V instead of 12V. I'm able to fix that problem by increasing the input voltage in multiple steps (0V->1V->2V->...->24V) but the application doesn't allow this solution.

Do you have any idea to solve this problem?

Kind regards,