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LTC7803 repeated startup

Category: Hardware
Product Number: LTC7803

I used LTC7803 to design a 24V to 16V buck DC-DC, but whenever the power is turned on, the power supply will output more than 10V, and then immediately turn off and stop the output. After a while, the output is repeated. I looked at the output voltage and the temperature of the device, and found that there was no over-temperature, over-voltage, and over-current (12V can be output when 12V is input, and there is only a very light load, about a few mA). Why LTC7803 can't work?