Electronic Component Solutions

2.3V – 5.5V Input, 1A Power Module in Small 2x2x1.6mm QFN Package

MPM 3811 is a 5.5V step-down, switch-mode converter with build-in, internal power MOSFETs and an inductor.
Enclosed in a tiny 2mm x 2mm QFN package, the module achieves 1A continuous output current from a 2.3V to 5.5V input voltage. Making it the industry’s smallest 1A module! The device’s output voltage can be regulated down to as low as 0.6V and offers constant on time control allowing for a fast transient response, high lightload efficiency, and easy loop stabilization.

These features make the MPM3811 and ideal step-down module for any space contrained applications, such as optical modules, IoT devices, handheld printers and any portable device.

  • Up to 91% Peak Efficiency
  • Wide 2.3V to 5.5V Operating Input Range
  • Output Voltage as Low as 0.6V
  • 100% Duty Cycle in Dropout
  • 1A Output Current
  • 2.2MHz Frequency
  • EN for Power Sequencing
  • Cycle-by-Cycle Over-Current Protection(OCP)
  • 0.5ms Internal Soft-Start (SS) Time
  • Output Discharge
  • Short-Circuit Protection (SCP) with Hiccup Mode
  • Thermal Shutdown
  • Stable with Low ESR Output Ceramic Capacitors
  • Available in a QFN10 (2mmx2mmx1.6mm)
  • Package


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