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ThePGOOD start-up delay is 2.5 ms after S5 is asserted to high. Note that the time constant which is composed ofthe REFIN capacitor and a resistor divider needs to be short enough to reach the target value before PGOODcomparator enabled
手册里明确说明电阻和电容组成的............延时...........,所以...............自行理会吧。