MP28315

NRFND
3A, 16V, 340KHz Synchronous Rectified Step-Down Converter


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Product Description

The MP28315 is a monolithic synchronous buck regulator. The device integrates 100mO MOSFETS that provide 3A continuous load current over a wide operating input voltage of 5V to 16V. Current mode control provides fast transient response and cycle-by-cycle current limit. An adjustable soft-start prevents inrush current at turn-on. In shutdown mode, the supply current drops below 1?. This device, available in an 8-pin SOIC package, provides a very compact system solution with minimal reliance on external components.

Product Features

  • 3A Output Current
  • Wide 5V to 16V Operating Input Range
  • Integrated 100mO Power MOSFET Switches
  • Output Adjustable from 0.925V to 13V
  • Up to 95% Efficiency
  • Programmable Soft-Start
  • Stable with Low ESR Ceramic Output Capacitors
  • Fixed 340kHz Frequency
  • Cycle-by-Cycle Over Current Protection
  • Input Under Voltage Lockout
  • Thermally Enhanced 8-Pin SOIC Package

Parametrics

  • fsw (max) (kHz)340
  • Vin (min) (V)5
  • Vin (max) (V)16
  • Iout (max) (A)3
  • Isw Limit (typ) (A)5.8
  • Max Duty Cycle (%)0.9
  • Vfb (typ) (V)0.925
  • Iq (typ) (mA)1.3
  • Regulated Outputs1
  • Vout (max) (V)13
  • Vout (min) (V)0.925
  • GradeCatalog
  • PackageSOIC-8N
  • Common FeaturesExternal Soft Start, Synchronous Rectification