6SE6440-2UD23-0BA1

用于無線通信電路的 TVS 二極管陣列的替代方案是聚合物 ESD （PESD） 保護(hù)器件。PESD 組件可以承受 ±15 kV 的空中 ESD 沖擊。它們具有 0.25 pF 的低電容和低于 10 nA 的典型泄漏電流。PESD 元件型號(hào)采用小型 0402 表面貼裝封裝。

有線通信電路塊

有線通信電路塊還需要保護(hù)免受 ESD 沖擊。推薦的方法取決于 PLC 使用的通信協(xié)議。有關(guān)以太網(wǎng)、以太網(wǎng)供電、USB、RS-232 和 RS-485 通信端口保護(hù)的信息，請(qǐng)參閱Littelfuse.com 上的“通用端口保護(hù)”演示文稿。

通過降低功耗大限度地提率

在電源模塊的開關(guān)模式電源中，研究肖特基勢壘整流器以大限度地提率并降低功耗。它們可實(shí)現(xiàn)快速開關(guān)，從而實(shí)現(xiàn)更的高頻開關(guān)模式電源電路。尋找具有低于 1 V 的低正向壓降、低于 1 mA 的低反向電流和高達(dá) 10，000 V/μs 的 dV/dt 的肖特基整流器。圖 4 顯示了具有共陰極連接的半橋肖特基二極管對(duì)。使用雙二極管封裝以節(jié)省 PCB 空間。

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