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请问TPS61088在PFM模式下的带载能力

Other Parts Discussed in Thread: TPS61088

我们用TPS61088设计了一个电源,输入为锂电池,输出重载时为12V, 轻载时是5V,现在发现轻载(PFM)时,拉50mA左右脉冲电流输出会有一个1.2V左右的负脉冲电压,重载时反而正常。 请问TPS61088在PFM模式下的带载能力是多少?