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MP1591 - 330KHz Step-Down Converter

General Description

The MP1591 is a high voltage step-down converter ideal for automotive power adapter battery chargers.

Its wide 6.5V to 32V input voltage range covers the automotive battery’s requirements and it achieves 2A continuous output for quick charge capability.

Key Features

  • Wide 6.5V to 32V Input Operating Range.
  • 34V Absolute Maximum Input.
  • 2A Output Current.
  • 120mΩ Internal Power MOSFET Switch.
  • Stable with Low ESR Output Ceramic Capacitors.
  • Up to 95% Efficiency.
  • 20μA Shutdown Mode.
  • Fixed 330KHz Frequency.
  • Thermal Shutdown.
  • Cycle-by-Cycle Over Current Protection.
  • Output Adjustable From 1.23V to 21V.
  • Under Voltage Lockout.
  • Reference Voltage Output.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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The Future of Analog IC Technology DESCRIPTION The MP1591 is a high voltage step-down converter ideal for automotive power adapter battery chargers. Its wide 6.5V to 32V input voltage range covers the automotive battery’s requirements and it achieves 2A continuous output for quick charge capability. Current mode operation provides fast transient response and eases loop stabilization. Fault protection includes cycle-by-cycle current limiting and thermal shutdown. In shutdown mode, the converter draws only 20μA of supply current. The MP1591 requires a minimum number of readily available external components to complete a 2A step-down DC to DC converter solution. EVALUATION BOARD REFERENCE Board Number EV0020 Dimensions 2.1”X x 1.4”Y x 0.