一、概述LDO,全稱為(wei)(wei)“Low Dropout Regulator”,是一種低壓(ya)差線性穩壓(ya)元器件。其工作原理為(wei)(wei),使用(yong)在(zai)其飽和區域內運行(xing)的晶體(ti)管或場效應管(FET),從應用(yong)的輸入電(dian)(dian)壓(ya)中(zhong)減去超額的電(dian)(dian)壓(ya),產...
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閱讀詳情(qing)光電(dian)(dian)(dian)(dian)二極管(guan)(Photo-Diode)是由一個PN結組(zu)成的(de)(de)半(ban)導體器(qi)件,具有單方向(xiang)導電(dian)(dian)(dian)(dian)特性。光電(dian)(dian)(dian)(dian)二極管(guan)是在(zai)反向(xiang)電(dian)(dian)(dian)(dian)壓作(zuo)用(yong)之下(xia)工作(zuo)的(de)(de),在(zai)一般照度的(de)(de)光線照射(she)下(xia),所產生的(de)(de)電(dian)(dian)(dian)(dian)流(liu)(liu)叫光電(dian)(dian)(dian)(dian)流(liu)(liu)。如果在(zai)外電(dian)(dian)(dian)(dian)路上接上負載,負載...
閱讀詳情(qing)一(yi)(yi)、概述(shu)LED(全稱為Light-emitting diode)是一(yi)(yi)種能發光的(de)(de)半導體(ti)電子元件。和普通(tong)的(de)(de)二極管(guan)一(yi)(yi)樣,這些半導體(ti)材料會預先(xian)透(tou)過注入或攙雜等工藝以產生p、n架構(gou)。LED只(zhi)能夠(gou)往一(yi)(yi)個方向導通(tong)(...
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