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tps63030的效率问题

采用power save mode,但是实际测试的效率很低,只

有10%,相当于没有使能 power save mode的情况,求高手分析。(J2 对外悬空。)

测试时,输入电压5V(即D_3v6 = 5v),电流为10mA,输出3.3V ,后接单片机及相关电路,电流为1mA左右,实际测试电源效率为10%左右。