MP2361

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2A, 23V, 1.4MHz Step-Down Converter

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Product Description

The MP2361 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 protections include cycle?y?ycle current limiting and thermal shutdown. In shutdown mode the regulator draws 20? of supply current. Programmable soft-start minimizes the inrush supply current and the output overshoot at initial startup. The MP2361 requires a minimum number of readily available standard external components.

Product Features

  • 2A Output Current with QFN Package
  • 0.18O Internal Power MOSFET Switch
  • Stable with Low ESR Output Ceramic Capacitors
  • 90% Efficiency
  • 20? Shutdown Mode
  • Fixed 1.4MHz 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 a 10-pin QFN 3x3mm and Tiny MSOP Packages

Parametrics

  • fsw (max) (kHz)1400
  • Vin (min) (V)4.75
  • Vin (max) (V)23
  • Iout (max) (A)2
  • Isw Limit (typ) (A)3.5
  • Max Duty Cycle (%)0.7
  • Vfb (typ) (V)0.92
  • Iq (typ) (mA)1.2
  • Regulated Outputs1
  • Vout (max) (V)16
  • Vout (min) (V)0.92
  • GradeCatalog
  • PackageMSOP-10, MSOP-10E, QFN-10 (3x3), SOIC-8
  • Common FeaturesExternal Soft Start