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Product Spec Banner
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RTQ2537 是大電流（4A）、低雜訊（6.8μV<sub>RMS</sub>）、高精度（全程 1%）的低壓差線性穩壓器，具備以最大 240mV 壓差提供 4A 電流輸出的能力。其輸出電壓可用 PCB 引腳連線的方式進行選擇（最高電壓 3.95V），此法因無需外接電阻而減少了元件數量，它也支持使用外接電阻而獲得更高的輸出電壓。它可在電壓低達 1.1V 的單輸入環境工作，易於使用。</br>因為具備低雜訊、高 PSRR 和大電流輸出能力，RTQ2537 是數模轉換器、模數轉換器和射頻應用等對雜訊敏感場合的理想電源供應器件。因為輸出精度電壓高、支援遠端測量、可用軟啟動降低電流衝擊，RTQ2537 也是 FPGA、DSP 和 ASIC 等數位電路供電的理想器件。</br>它具有使能控制端和 Power Good 指示功能，為需要時序管理的應用帶來方便。通過在其 NR/SS 端增加旁路電容可強化其抑制輸出雜訊的能力。其性能參數在結溫 T<sub>J</sub> = -40°C ~ 125°C 的範圍內都能得到保障。它的供貨封裝形式為 VQFN-20L 3.5x3.5。
RTQ2537 電路圖
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<div class="spec-list"><ul class="lv1"><li>輸入電壓範圍：1.1V-6.5V </li><li>提供兩種輸出電壓設定模式 <ul class="lv2"> <li></li><li>電阻分壓器，0.8V-5.5V </li><li>PCB 連接，0.8V-3.95V </li></ul> </li><li>全程 1% 輸出電壓精度 </li><li>PSRR：40dB@500kHz </li><li>卓越的雜訊抑制能力 <ul class="lv2"> <li></li><li>6.8μV@0.8V 輸出 </li><li>10μV@3.3V 輸出 </li></ul> </li><li>輸入、輸出直通壓差：240mV@4A（最大值） </li><li>使能控制 </li><li>可調軟啟動 </li><li>與 47μF 或更大陶瓷輸出電容配合可穩定工作 </li><li>Power Good 指示 </li><li>符合 RoHS 規範，不含鹵素 </li></ul></div>
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RTQ2537 訂購資訊
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RTQ2537
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RTQ2537
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<div class="spec-list"><ul class="lv1"><li>可擕式設備 </li><li>SerDes、FPGA、DSP 電源 </li><li>RF、VCO、ADC、DAC、LVDS 電源 </li></ul></div>
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