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RTQ6361是负载能力为1.5A、高效率、采用峰值电流模式控制架构的非同步Buck转换器,输入电压范围为4V~60V,输出电压可调范围为0.8V~V<SUB>IN</SUB>。其静态耗电低,集成了低R<SUB>DS(ON)</SUB>的 MOSFET上桥开关,可在宽阔的负载范围内获得高转换效率。由于采用外围补偿简单的峰值电流模式控制架构,容许使用小型电感,具有瞬态响应速度快和回路稳定性好的特性。</br>其工作频率在100kHz~2500kHz间可调,选择输出滤波元件时可在效率和元件尺寸间进行优化。其最小导通时间很短,即使在降压比很高时也能保持固定的工作频率。在对开关噪声敏感的应用中,可以使用300kHz~2200kHz的外部信号对其进行同步操作。</br>RTQ6361具有完备的保护性功能设计,如输入欠压锁定保护、输出欠压保护、输出过压保护、过流保护和热关机保护等,有逐周期电流限制保护可应对输出端短路等恶劣状况,有软启动设计可消除启动期间的电流冲击。</br>RTQ6361使用WDFN-10SL 3x3和具有外露式散热焊盘的SOP-8封装供货。
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<div class="spec-list"><ul class="lv1"><li>输入电压范围: <ul class="lv2"> <li></li><li>4.5V~60V </li><li>4V~60V(软启动结束以后) </li></ul> </li><li>输出电压范围:0.8V~V<sub>IN</sub> </li><li>参考电压:0.8V±1.5% </li><li>峰值电流模式控制架构 </li><li>集成160mΩ MOSFET上桥开关 </li><li>静态电流消耗:90μA </li><li>关机电流消耗:1.3μA </li><li>工作频率可调范围:100kHz~2.5MHz </li><li>可同步工作频率范围:300kHz~2.2MHz </li><li>轻载以节能模式运行 </li><li>集成自举电容复充开关,容许轻载低压差工作模式 </li><li>型号可选外部可调软启动 </li><li>型号可选Power Good指示 </li><li>使能控制 </li><li>可调节欠压锁定保护阈值和滞回值 </li><li>内建欠压锁定保护、欠压保护、过压保护、过流保护和过热保护等功能 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>通讯和工业应用中的12V、24V和48V电源系统 </li><li>工业自动化与电机控制系统 </li><li>车用配件之GPS、娱乐信息系统 </li></ul></div>
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