LDO稳压器TCR3UG系列在物联网设备电源中的应用

该参考设计提供了具有低功耗电流,PSRR和动态响应的文档。LDO具有小封装,低功耗和快速的负载瞬态响应。

LDO稳压器TCR3UG系列在物联网设备电源中的应用的电源电路示例

特点

  • 超小型封装WCSP4F(0.645mm×0.645mm(典型值),t:0.33 mm(最大值))
  • 低静态偏置电流IB=0.34μA(高达1.5V输出产品,典型值) @IOUT=0mA
  • 宽的输出电压范围(VOUT=0.8V至5.0V)
  • 高纹波抑制比70dB(0.8V输出产品,典型值)@1kHz
  • 快速负载瞬态响应±60mV(0.8V输出产品,典型值)@1mA⇔50 mA,COUT=1μF
  • 低压差电压VDO=VIN-VOUT=155mV(3.3V输出产品,典型值)@IOUT=300mA
  • 过电流保护功能
  • 热关断功能
  • 内置自动放电功能(TCR3UGxxA系列)/无内置自动放电功能(TCR3UGxxB系列)
  • 浪涌电流减少功能(输出电压软启动)

说明

  • TCR3UG系列同时兼具低消耗电流(低静态电流和低维持电流)和快速负载瞬态响应特性,这些器件非常适用于需要低功耗的电池驱动物联网设备。
  • 该稳压器具有31个输出电压产品阵容,输出电压范围是0.8V至5.0V。
  • 小陶瓷输入输出电容器可与TCR3UG系列结合使用。
LDO稳压器TCR3UG系列在物联网设备电源中的应用的负载瞬态响应特点
负载瞬态响应特点

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