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RT4723是将Boost转换器、线性稳压器和反相电荷泵集成于一体以生成正、负压输出的器件,其负压输出可经由SWIRE接口协议以100mV的级差在-0.6V~-2.4V间进行调整,它通过使用自动进行模式转换的-0.33x / -0.5x分压电荷泵来维持其效率的最大化,输入电压为范围为2.5V ~ 4.6V,是单节锂离子电池供电产品驱动AMOLED产品的理想选择,其电流输出能力高达55mA,使用WL-CSP-15B 1.39x2.07 (BSC)封装,具有极佳的空间使用效率。
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<li class="mv5">工作电压范围:2.5V ~ 4.6V</li><li class="mv5">单线协议</li><li class="mv5">固定4.6V正电压输出</li><li class="mv5">SWIRE引脚可调负电压输出范围:-0.6V ~ -2.4V,级差0.1V</li><li class="mv5">自动变换模式的-0.33x/-0.5x电荷泵</li><li class="mv5">内置软启动</li><li class="mv5">55mA最大负载能力</li><li class="mv5">可程控的输出快速放电功能</li><li class="mv5">关机时输出为高阻抗</li><li class="mv5">UVLO, OCP, SCP, OTP</li><li class="mv5">关机电流 < 1μA</li><li class="mv5">采用15脚WL-CSP封装</li>
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<li class="mv5">便携设备的AMOLED偏置电源</li>
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