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Hi
带载能力下降,建议检查如下：
1. 功率电感饱和电流足够大， 输入电容适当大一些，并且尽量靠近电感输入端（和sense电阻）。
2. layout上需要尽量避免sense电阻产生noise，同时layout上功率回路尽量小。
