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RT8035 为一款高效率脉波宽度调变(PWM)的双通道同步降压型 DC/DC 转换器,于输入电压范围2.5V至6V内,可输出电流达800mA。RT8035适用于由单一锂电池供电的可携式电子装置,例如移动电话、PDA、PC WLAN卡与掌上型装置。 RT8035提供了三种操作模式:PWM模式、低压降模式与关机模式。内部的低R<sub>DS(ON)</sub>同步整流元件降低了操作在PWM模式的的导通损耗,不需外加萧特基二极管于实际设计中。RT8035当PWM操作时无法连续导通上端P-MOSFET时,进入低压降模式。当EN脚位为低电位时,进入关机模式,消耗电流小于0.1μA。由于操作在恒定频率1.25MHz,切换纹波可由较小封装的元件进行滤波设计,RT8035采用WDFN-10L 3x3的封装规格。
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<div class="spec-list"><ul class="lv1"><li>2.5V至6V的输入电压范围 </li><li>800mA输出电流 </li><li>1.25MHz 定频PWM操作 </li><li>效率达95% </li><li>不需外加萧特基二极管 </li><li>0.6V的参考电压允许低电压输出 </li><li>低压降操作 : 100% 的占空比 </li><li>10-接脚 的WDFN 封装 </li><li>符合RoHS规范与无卤特性 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>可携式仪器 </li><li>微处理器和DSP核心电源 </li><li>移动电话 </li><li>无线和DSL调制解调器 </li><li>PC卡 </li></ul></div>
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