使用和TPS55340一样的原理图，PCB见附件。用3.7V升压为24V后，带8W负载，温度太高，达到80多度，以至于TPS55340自我保护，电压忽高忽低变动，输入电容大小进行了更改，电感也由10uh改为15uh了，还是使用七八分钟左右后又发热，引起自我保护，哪些方面需要注意？
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