——概述：

南芯SC8701是一個(gè)同步4開關(guān)降壓升壓控制器，它可以有效地輸出電壓，無論是高、低或等于輸入電壓。同時(shí)也支持非常寬的輸入和輸出電壓范圍，設(shè)計(jì)南芯100W《SC8701>方案振邦微 ，它可以支持2.7V到36V的輸入范圍和2V到36V的輸出范圍。驅(qū)動(dòng)器電壓設(shè)置為10V，以充分利用外部mosfet實(shí)現(xiàn)效率。SC8701同步升降壓直流/直流轉(zhuǎn)換器，采用抖動(dòng)頻率、平均電流模式控制架構(gòu)。能夠驅(qū)動(dòng)高達(dá)20a的連續(xù)負(fù)載，具有良好的線路和負(fù)載調(diào)節(jié)能力。設(shè)計(jì)南芯100W《SC8701>方案振邦微 ，SC8701具有短路和熱保護(hù)電路，以提高系統(tǒng)的可靠性。內(nèi)部軟啟動(dòng)避免啟動(dòng)時(shí)輸入涌電流。SC8701需要少數(shù)量的外部組件。以及廣泛的保護(hù)功能，以提高可靠性.Nanxin sc8701 is a synchronous 4-switch step-down and boost controller, which can effectively output voltage, whether high, low or equal to input voltage. It also supports a very wide input and output voltage range, Design the Nanxin 100W sc8701> scheme Zhenbang micro, which can support the input range of 2.7V to 36V and the output range of 2V to 36V. The driver voltage is set to 10V to make full use of the external MOSFET to achieve the highest efficiency. The sc8701 synchronous voltage rise / fall DC / DC converter adopts the jitter frequency and average current mode control architecture. It can drive continuous loads up to 20a, and has good line and load regulation capabilities. Design the Nanxin 100W According to the sc8701> scheme, the sc8701 has a short circuit and thermal protection circuit to improve the reliability of the system. The internal soft start avoids the input of inrush current during startup. The sc8701 requires a minimum number of external components. It also has a wide range of protection functions to improve the reliability

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