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RT9397将升压电荷泵电路和电压反相电荷泵电路集成于一体,可以高效率提供正、负两组输出电压,输出电压范围可在±4.5V~±6V间使用外加反馈电阻进行调节。其转换过程维持高效率的秘诀是使用可以自动进行模式切换的 x1.33/x1.5/x1.75/x2电荷泵。其封装形式为WQFN-20L 3x3。
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<div class="spec-list"><ul class="lv1"><li>输入电压范围:2.7V~4.8V </li><li>在全电池电压范围内具有平均高于80%的效率 </li><li>负载能力支持50mA输出 </li><li>关机电流低于1μA </li><li>内建软启动功能 </li><li>短路保护 </li><li>过压保护 </li><li>过热保护 </li><li>使用自动模式切换电荷泵 <ul class="lv2"> <li></li><li>自动选择x1.33/x1.5/x1.75/x2模式生成正电压输出 </li><li>使用x-1模式生成负压输出 </li></ul> </li><li>低输入端噪声和电磁辐射 </li><li>关机时输出端快速放电 </li><li>输出电压使用外加反馈电阻进行调节 </li><li>20引脚WQFN封装 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>液晶显示屏 </li><li>智能手机 </li><li>平板电脑、笔记本电脑、Pad </li></ul></div>
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