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R7732 系列产品是 R7730/1 的后继产品,并与至今大多数在市场上的 SOT-23-6 产品完全兼容。它是一款增强型,有高性能和电流模式的 PWM 控制器。它的优点是在不同的应用中 "容易设计",且节省设计成本与外部组件。除了在特性部分所示的一般特点之外,R7732 包含各样的保护选项在内,如内部的超载保护(OLP)、过压保护(OVP),可省去外部保护电路。此外,它还有次级整流器短路保护(SRSP)和 CS 接脚开路保护。这些保护电路使得要设计可靠、安全的电源系统更为容易。R7732 具备成本低和体积小的特点,是专为 NB 适配器的电源供应所设计的。借着简单的电路,即可实现精确的外部过压保护(OVP)和过热保护(OTP)。启动电阻也可以由泄流电阻 (bleeder resistor) 来取代,以节省功率损耗和组件数量。
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<div class="spec-list"><ul class="lv1"><li>9V/14V欠压锁定 (UVLO) </li><li>电流模式控制 </li><li>斜率补偿 </li><li>内部前缘遮没 </li><li>极佳的绿能性能 </li><li>逐周期电流限制 </li><li>内部过压保护 (OVP) </li><li>内部超载保护 (OLP) </li><li>次级整流器短路保护 </li><li>光耦合器短路保护 </li><li>反馈开回路保护 </li><li>CS 接脚开路保护 </li><li>可抖动的频率 </li><li>PRO 接脚提供外部随意过压、过热保护 (OVP/OTP) </li><li>抑制电磁干扰的软启动 </li><li>高噪声抗扰性 </li><li>符合RoHS标准及不含卤素 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>AC/DC 变压器和电池充电器 </li><li>打印机电源 </li><li>DVD 电源 </li><li>机顶盒 (STB) </li><li>ATX 待机电源 </li><li>电视/显示器待机电源 </li><li>计算机周边 </li><li>笔记本电脑变压器 </li></ul></div>
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