3.9V-18V, 2A, 800kHz High-Efficiency, Synchronous, Step-Down Converter In a SOT563 Package

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Product Description

The MP1476L is a fully integrated, high-frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. The MP1476L offers a very compact solution that achieves 2A of continuous output current with excellent load and line regulation over a wide input range. The MP1476L uses synchronous mode operation for higher efficiency over the output current-load range.
Constant-on-time (COT) control operation provides very fast transient response, very tight output regulation, and eases loop design.
Full protection features include short-circuit protection (SCP), over-current protection (OCP), under-voltage protection (UVP), and thermal shutdown.
The MP1476L requires a minimal number of readily available, standard, external components and is available in a space-saving SOT563 package.


Product Features

  • Wide 3.9V to 18V Operating Input Range
  • 126mΩ/58mΩ Low RDS(ON) Internal Power MOSFETs
  • 190μA Low IQ
  • High-Efficiency Synchronous Mode Operation
  • Power-Save Mode (PSM) at Light Load 
  • Fast Load Transient Response
  • 800kHz Switching Frequency
  • Internal Soft Start (SS)
  • Over-Current Protection (OCP) and Hiccup
  • Thermal Shutdown
  • Output Adjustable from 0.8V
  • Available in a SOT563 Package


  • fsw (max) (kHz)800
  • Vin (min) (V)3.9
  • Vin (max) (V)18
  • Iout (max) (A)2
  • Isw Limit (typ) (A)2.4
  • Vfb (V)0.807
  • Iq (typ) (mA)0.19
  • Regulated Outputs1
  • Vout (max) (V)10
  • Vout (min) (V)0.8
  • GradeCatalog
  • PackageSOT563
  • Control ModeCOT
  • Common FeaturesLight-Load Efficiency, Synchronous Rectification
Quality Policy, Certificates & Reliability Reports
All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.