MP2358

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2A, 23V, 370KHz Step-Down Converter


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Product Description

The MP2358 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 23? of supply current. Programmable soft-start minimizes the inrush supply current and the output overshoot at initial startup. The MP2358 requires a minimum number of readily available standard external components.

Product Features

  • 2A Output Current with QFN Package
  • 0.18Ω Internal Power MOSFET Switch
  • Stable with Low ESR Output Ceramic Capacitors
  • 93% Efficiency
  • 23μA Shutdown Mode
  • Fixed 370kHz Frequency
  • Thermal Shutdown
  • Cycle-by-Cycle Over Current Protection
  • Wide 4.75V to 23V Operating Input Range
  • Output Adjustable from 0.92V to 16V
  • Programmable Under Voltage Lockout
  • Available in QFN10 3x3mm and SOIC8 Packages

Parametrics

  • fsw (max) (kHz)370
  • 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)0.92
  • Iq (typ) (mA)1.1
  • Regulated Outputs1
  • Vout (max) (V)16
  • Vout (min) (V)0.92
  • GradeCatalog
  • PackageQFN-10 (3x3), SOIC-8
  • Common FeaturesExternal Soft Start