MP2249

NRFND
1MHz, 6V, 3A, Low-Voltage Synchronous Step-Down Converter


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Product Description

Product Features

  • High Efficiency: Up to 90%
  • Power-Save Mode at Light Load
  • 1MHz Constant Switching Frequency
  • Up to 4.5A Peak Current
  • 2.5V to 6V Input Voltage Range
  • Output Adjustable from 0.6V to VIN
  • 100% Duty Cycle in Dropout
  • Output Discharge Function
  • Internal Soft-Start Control
  • Power Good Indicator
  • Short Circuit Protection
  • Thermal Fault Protection
  • Available in a 3x3mm TQFN10 or SOIC8E Package

Parametrics

  • fsw (max) (kHz)1000
  • Vin (min) (V)2.5
  • Vin (max) (V)6
  • Iout (max) (A)3
  • Isw Limit (typ) (A)4.5
  • Max Duty Cycle (%)1
  • Vfb (typ) (V)0.6
  • Iq (typ) (mA)0.48
  • Regulated Outputs1
  • Vout (max) (V)6
  • Vout (min) (V)0.6
  • GradeCatalog
  • PackageSOIC-8E, TQFN-10 (3x3)
  • Control ModeCurrent Mode
  • Common FeaturesLight-Load Efficiency, Power Good, Synchronous Rectification
  • Special Features100% Duty Cycle, Output Discharge