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MPS 6V Input, 3A Module Synchronous Step-Down Converter with Integrated Inductor

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Monolithic Power Systems
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 Product Description

The MPM3830 is a monolithic step-down switch mode converter with built-in internal power MOSFETs and inductor. The DC-DC module has a small surface mount 3mm x 5mm x 1.6mm QFN package. It achieves 3A continuous output current from a 2.7V to 6V input voltage with excellent load and line regulation. The MPM3830 is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) Battery. The output voltage can be regulated as low as 0.6V. Only input, output capacitors and FB resistors are needed to complete the design.

The Constant-On-time (COT) control scheme provides fast transient response, high light­load efficiency and easy loop stabilization.

Fault condition protection includes cycle­by­cycle current limit and thermal shutdown. 

The MPM3830 requires a minimum number of readily available standard external components and is available in an ultra-small QFN20 (3mmx5mm) package.


  • Wide 2.7V to 6V Operating Input Range
  • Fixed and Adjustable output from 0.6V
  • 3.0mm x 5.0mm x 1.6mm QFN Package
  • Total Solution Size 8.5mm x 4.5 mm
  • Low Radiated Emissions (EMI) Complies with EN55022 Class B Standard
  • Up to 3A Continuous Output Current
  • 100% Duty Cycle in Dropout
  • Ultra Low IQ: 40μA
  • EN and Power Good for Power Sequencing
  • Cycle-by-Cycle Over-Current Protection
  • Short Circuit Protection with Hiccup Mode
  • Adjustable Output Only Needs 4 External Components - 2 Ceramic Capacitors and FB Divider Resistors
  • Fixed Output Only Needs Input and Output Capacitors


  • Low Voltage I/O System Power
  • LDO Replacement
  • Power for Portable Products
  • Storage (SSD/HDD)
  • Space-limited Applications

Typical Application



icon-pdf2.gif MPM3830 Datasheet

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