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RT1738E 是一款 USB Type-C 介面过电压保护 IC。它可防止因 USB Power Delivery（PD）导致高电压短路至 VBUS 相邻的 CC/SBU 脚位，最高可承受 28V，并允许 VBUS 提供 3.3V 至 21V 的电压。RT1738E 整合符合 IEC61000-4-2 的 ESD 保护，于 CON_CC1/CON_CC2 及 D1/D2 上提供 ±8kV 接触放电保护，并于 CON_SBU1/CON_SBU2 上提供 ±6kV 接触放电保护。CON_CC1 /CON_CC2 的突波耐受等级最高可达 ±35V。此外，60ns 的超快速 OVP 反应时间可保护应用 IC 的系统端免受损坏。RT1738E 采用 3×3mm WQFN 封装。建议接面温度范围为 −40°C 至 125°C，环境温度范围为 −40°C 至 85°C。
RT1738E 电路图
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<div class="spec-list"><ul class="lv1"><li>4-Channels of Short to VBUS Overvoltage Protection (CON_CC1, CON_CC2, CON_SBU1,CON_SBU2) </li><li>IEC61000-4-2 Contact Discharge Protection - CON_CC1/CON_CC2: ±8kV - D1/D2: ±8kV - CON_SBU1/CON_SBU2: ±6kV </li><li>High Absolute Maximum Ratings = 28V of CON_CC1, CON_CC2, CON_SBU1, and CON_SBU2 </li><li>60ns Ultra-Fast OVP Response Time of CC/SBU </li><li>255mΩ (Typical) Low R<sub>ON</sub> of CC Switch </li><li>3.6Ω (Typical) Low RON of SBU Switch </li><li>20μA Low Quiescent Current in Standby </li><li>High Bandwidth of 300MHz for SBU Switch </li><li>Support Dead Battery Function </li><li>20-Pin 3x3mm WQFN Package </li></ul></div>
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RT1738E 订购信息
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<div class="spec-list"><ul class="lv1"><li>Desktop/Notebook Computers </li><li>Portable Devices </li><li>Display Applications </li><li>USB-C Port Applications </li></ul></div>
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