芯片上面寫(xiě)了"R2RF", 5個(gè)引腳,SOT23-5封裝...不知是什么電路,是個(gè)DC/DC芯片嗎?? 哪里有購(gòu)買(mǎi)的???
Input Common-Mode Voltage Range Includes Ground ? Low Output Saturation Voltage 200 mV Typical ? Open-Collector Output for Maximum Flexibility
i不知道是不是你所找的 QQ:136526222