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<link href="/css/www-style.css" rel="stylesheet"><link href="/css/bootstrap.css" rel="stylesheet"><link href="/css/newsletter.css" rel="stylesheet"><link href="/css/alfontawesome-all.css" rel="stylesheet"><div class="key-container pb-5"><div class="cus-content"><div class="row no-gutters "><div class="col-md-12 mb-20 text-center"><a href="/zh-cn/design-support/application-notes/an082?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue51CN&sc_lang=zh-CN" target="_blank"><img class="img-center " style="max-width:600px;" alt="5 Key Factors for Choosing an Ideal LDO" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-51/html-images/zh-cn_I51_01_CN.jpg"></a></div><div class="col-md-12 mb-40"><p>在对噪声敏感的应用中,如无线基站、射频放大器、医疗设备和工业应用,低压差线性稳压器(LDO)在滤除开关电源噪声和外部干扰方面至关重要。</p></div><div class="col-md-12 "><div class="mb-2"><div class="section-title font-weight-bold mb-30 pb-3"> 立锜提供多款工业用低噪声 LDO,具备以下特性:</div><ol style="line-height:2;"><li style="list-style-position:outside;"><b>高精度、低输出电压</b>:立锜工业用 LDO 系列支持 1.1V 至 6.5V 输入范围,单一输入,无需额外电源,可简化设计。部分产品的输出电压低至 0.5V,并具备 1% 高精度。</li><li style="list-style-position:outside;"><b>优异的噪声抑制能力</b>:具有高 PSRR(电源纹波抑制比),在 500kHz 频率下可达 40dB,并具备 6.8 µV_RMS 噪声抑制能力,有效降低噪声干扰。</li><li style="list-style-position:outside;"><b>低压降(Dropout)特性</b>:低压降有助于降低功耗,例如<a href="https://www.richtek.com/RedirectToProduct?specid=RTQ2540H&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue51CN&sc_lang=zh-CN" target="_blank" style="text-decoration: none; color: #37a6d9;"> RTQ2540H</a> 在 4A 负载时,压降最大仅 145mV,减少热损失并提升效率,适用于高功率需求应用。</li><li style="list-style-position:outside;"><b>小型封装,节省空间</b>:立锜提供 WQFN 2.2mm x 2.5mm 超小型封装作选择,适用于高密度 PCB 布局。</li><li style="list-style-position:outside;"><b>设计灵活,适应多种应用</b>:部分型号具 NR/SS 引脚,可通过外部旁路电容进一步降低噪声。简易输出系列可通过 引脚配置输出电压,无需电阻,适用于 I/O 电源和 GPIO 供电。</li></ol></div></div><div class="col-md-12 "><p>选择低噪声 LDO 需要综合考虑 输入输出范围、PSRR、压降、封装和功能。立锜提供高性能 LDO 系列,满足各类工业应用需求,确保电源稳定可靠。观看视频,了解更多信息:</p></div><div class="col-md-12 mb-20 text-center"><a href="https://v.youku.com/video?vid=XNjQ2ODYxOTUxNg==&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue51CN&sc_lang=zh-CN" target="_blank"><img class="img-center " style="max-width:600px;" alt="How to select low noise linear regulators" src="/content/dam/richtek-eds/resources/tech-insights/news/newsletter-issue-51/html-images/zh-cn_EDM_video_CN.jpg"></a></div><div class="col-md-12 mb-20 text-center"><p>请点击下方连结,获取更多技术细节与应用案例!</p><div class="btn-block pb-4"><a href="/content/richtek-eds/zh-cn/design-support/application-notes/an082?&utm_source=Newsletter&utm_medium=RTWWW&utm_campaign=Issue51CN&sc_lang=zh-CN" target="_blank" class="btn-sm btn-primary py-2 px-3">立即观看完整应用解析<i class="fas fa-arrow-right pl-2"></i></a></div></div></div></div></div>
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