36V, 3.5A, Low Iq Synchronous Step-Down Converter AEC-Q100 Qualified

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Product Description

The MPQ4430 is a frequency programmable (350k to 2.5MHz) synchronous step-down switching regulator with integrated internal high-side and low side power MOSFET. It provides 3.5A (or less) highly efficient output with current mode control for fast loop response. 

Product Features

  • Wide 3.3V to 36V Operating Voltage Range
  • 3.5A Continuous Output Current
  • 1μA Low Shutdown Supply Current
  • 10μA Sleep Mode Quiescent Current
  • Internal 90mΩ High-Side and 40 mΩ Low-Side MOSFET


  • fsw (max) (kHz)2500
  • Vin (min) (V)3.3
  • Vin (max) (V)36
  • Iout (max) (A)3.5
  • Vfb (V)0.8
  • Iq (typ) (mA)0.01
  • Regulated Outputs1
  • PGNo
  • GradeAutomotive
  • PackageQFN-16 (3x4)
  • Control ModeCurrent Mode
  • Common FeaturesExternal Soft Start, Power Good, Synchronous Rectification
  • Special FeaturesProgrammable Frequency
Quality Policy, Certificates & Reliability Reports
All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.