The CXSD6143 is a high frequency (1.8MHz) step-down switching regulator with integrated internal high-side high voltage power MOSFET. It provides single 0.6A(or less) highly efficient output with current mode control for fast loop response. The wide input range(4.2V to 40V) accommodates a variety of step-down applications. Low shutdown mode quiescent current allows use in battery-powered applications. High efficiency at light load condition is achieved by scaling down the switching frequency to reduce the switching and gate driving losses. The CXSD6143 is available in SOT23-6L packagepoU嘉泰姆

 4.2 V to 40 V operating input rangepoU嘉泰姆

  230uA operating quiescent current. poU嘉泰姆

 Low shutdown supply currentpoU嘉泰姆

  500mΩ internal power MOSFET poU嘉泰姆

 1.8 MHz fixed switching frequency poU嘉泰姆

 >90% efficiency poU嘉泰姆

 Internally compensated poU嘉泰姆

 Stable with ceramic output capacitors poU嘉泰姆

 Internal soft-start poU嘉泰姆

 Thermal shutdown function poU嘉泰姆

 Precision current limit without current sensing resistor poU嘉泰姆

 SOT23-6L packagepoU嘉泰姆

 High voltage power conversionpoU嘉泰姆

  Industrial power systemspoU嘉泰姆

  Power meterpoU嘉泰姆

  Battery powered systemspoU嘉泰姆

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