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RT2534A/RT2534B 是一款超低壓差線性穩壓器(Ultra-Low-Dropout LDO),可在 0.8V 至 5.5V 的輸入電壓範圍內運作,並提供最高 3A 的輸出電流。RT2534A 的輸出電壓可調範圍為 0.8V 至 3.6V,而 RT2534B 的輸出電壓可調範圍為 0.6V 至 3.6V。VBIAS 偏壓供電電壓範圍為 2.7V 至 5.5V,即使在輸出電壓接近輸入電壓的情況下,仍可維持高效率穩壓。 RT2534A/RT2534B 提供 EN(Enable)及 PG(Power Good)腳位,不僅可用於系統電源時序控制,也可用於指示輸出電壓狀態。本產品具備反向電流保護功能,可防止輸入電源快速關閉時造成晶片損壞。此外,內建輸入欠壓鎖定保護(UVLO)、過電流保護(OCP)及過溫保護(OTP),可有效避免異常狀況發生。 RT2534A/RT2534B 採用具備優異散熱能力的 WDFN-10L(3mm × 3mm)封裝。產品規格完整涵蓋接面溫度範圍 -40°C 至 125°C。
RT2534A/RT2534B 電路圖
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<div class="spec-list"><ul class="lv1"><li>Ultra-Low V<sub>IN</sub> Range: 0.8V to 5.5V </li><li>VBIAS Voltage Range: 2.7V to 5.5V </li><li>VOUT Voltage Range: - RT2534A: 0.8V to 3.6V - RT2534B: 0.6V to 3.6V </li><li>Low Dropout: 180mV Typical at 3A, V<sub>BIAS</sub> = 5V </li><li>1% Output Voltage Accuracy </li><li>Power-Good Indicator for Easy Sequence Control </li><li>Reverse-Current Protection </li><li>Output Discharge </li><li>Stable with Any Output Capacitor ≥ 2.2μF </li><li>Overcurrent and Over-Temperature Protections </li><li>Available in WDFN-10L 3x3 Package </li></ul></div>
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RT2534A/RT2534B 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>Desktop & Notebook PCs </li><li>Graphic Cards </li><li>Network & Storage </li><li>SMPS Post Regulators </li></ul></div>
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