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IC manufacturers Monolithic Power Systems

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Monolithic Power Systems EV2139DD-00A

High Effeciency, Fast Transient, 3A, 7V Synchronous Step-down Converter


TopologyBuck Converter
Input voltage3.3-7 V
Output 11.2 V / 3 A
IC revision1.0


The EV2139DD-00A is a fully integrated high frequency synchronous rectified step-down switch mode converter. It offers a very compactsolution to achieve 3A continuous output current over a wide input supply range with excellent load and line regulation. The MP2139operates at high efficiency over a wide output current load range.Constant-On-Time (COT) control mode provides fast transient response and eases loop stabilizationFull protection features include OCP, OVP, UVP and thermal shut down.The EV2139DD-00A requires a minimum number of readily available standard external components and is available in a space saving 2mm x 3mm 12-pin QFN package.


  • Wide 3.3V to 7V Operating Input Range
  • 3A Output Current
  • Low RDS(ON) Internal Power MOSFETs
  • Proprietary Switching Loss ReductionTechnique
  • 1% Reference Voltage
  • Programmable Soft Start Time
  • Soft Shutdown
  • Programmable Switching Frequency
  • OCP, OVP, UVP Protection and ThermalShutdown
  • Output Adjustable from 0.815V to 13V
  • Available in 12-pin QFN2x3 Package