MP28257

4A, Fast Transient, 4.2V to 20V Input Synchronous Step-Down Converter

NRFND

MP28257

NOT RECOMMENDED FOR NEW DESIGNS

4A, Fast Transient, 4.2V to 20V Input Synchronous Step-Down Converter

NRFND

MP28257 continues to be in production for existing customers. Please consider this alternative for new designs:

MP2384GG-Z

Active

MP2384GG-Z

Active

4.5 to 24V, 4A, Low IQ, Synchronous Buck Converter

Features & Benefits

  • Wide 4.5V to 24V Operating Input Range
  • 105μA Low Quiescent Current
  • 4A Continuous Output Current
  • Adaptive COT Control for Fast Transient
  • DC Auto-Tune Loop
  • Low RDS(ON) Internal Power MOSFETs
  • Proprietary Switching Loss Reduction Technique
  • Power Good (PG) Indication
  • Fixed 700kHz Switching Frequency
  • Stable with POSCAP and Ceramic Capacitors
  • Internal Soft Start (SS)
  • Output Discharge
  • OCP, OVP, UVP, and Thermal Shutdown with Auto-Retry
  • Available in a QFN-11 (2mmx2mm) Package
  • The MPL-AL6050 Inductor Series Matches Best Performance

    … and many more!

    Active Part Numbers:

    MP28257DD-LF-P MP28257DD-LF-Z

    Design Resources

    Symbol, Footprint & 3D Model
    30+ more formats Show more
    Cad Symbols Symbols (36)
    Cad Footprints Footprint (34)
    Cad 3D Models 3D Models (15)

    Buy direct from MPS



    Talk to an Engineer or get a Quote
    Quality Policy, Certificates & Reliability Reports
    All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.