MP2354

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2A, 23V, 380KHz Asynchronous Step-Down Converter


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Product Description

The MP2354 is a monolithic step down switch mode converter with a built in internal power MOSFET. It achieves 2A continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle?y?ycle current limiting and thermal shutdown. In shutdown mode the regulator draws 20? of supply current.

Product Features

  • 0.18O Internal Power MOSFET Switch
  • Stable with Low ESR Output Ceramic Capacitors
  • Up to 95% Efficiency
  • 2A Output Current
  • Wide 4.75V to 23V Operating Input Range
  • Fixed 380kHz Frequency
  • Thermal Shutdown
  • Cycle-by-Cycle Over Current Protection
  • Programmable Under Voltage Lockout
  • Frequency Synchronization Input
  • Operating Temperature: -40? to +85?
  • Available in an 8-Pin SOIC Package

Parametrics

  • fsw (max) (kHz)380
  • Vin (min) (V)4.75
  • Vin (max) (V)23
  • Iout (max) (A)2
  • Isw Limit (typ) (A)3.4
  • Max Duty Cycle (%)0.9
  • Vfb (typ) (V)1.222
  • Iq (typ) (mA)1
  • Regulated Outputs1
  • GradeCatalog
  • PackageSOIC-8
  • Control ModeCurrent Mode
  • Special FeaturesExternal Frequency Sync