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The RT4723 is a highly integrated Boost, LDO and inverting charge pump to generate positive and negative output voltage. The negative output voltages can be adjusted from -0.6V to -2.4V with 100mV steps by SWIRE interface protocol. The part maintains the highest efficiency by utilizing a -0.33x/-0.5x mode fractional charge pump with automatic mode transition. With its input voltage range of 2.5V to 4.6V, the RT4723 is optimized for products powered by single-cell battery and the output current up to 55mA. The RT4723 is available in WL-CSP-15B 1.39x2.07 (BSC) package to achieve optimized solution for PCB space.
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  • 工作电压范围：2.5V ~ 4.6V
  • 单线协议
  • 固定4.6V正电压输出
  • SWIRE引脚可调负电压输出范围：-0.6V ~ -2.4V，级差0.1V
  • 自动变换模式的-0.33x/-0.5x电荷泵
  • 内置软启动
  • 55mA最大负载能力
  • 可程控的输出快速放电功能
  • 关机时输出为高阻抗
  • UVLO, OCP, SCP, OTP
  • 关机电流 < 1μA
  • 采用15脚WL-CSP封装
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便携设备的AMOLED偏置电源
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