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TPS61093-Q1的PIN7(FB)电压变化

Other Parts Discussed in Thread: TPS61093-Q1

TPS61093-Q1的PIN7(FB)端电压偏离资料给出的0.5V,PIN7相连的电阻串为2.2KΩ/51KΩ时,PIN7电压1V,输出19V;电阻串10KΩ/100KΩ时,PIN7电压1.9V,输出电压约18.6V,是否芯片已坏。

输出电流与PIN7电阻网络电流有何关系。