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MP1591DS - 330KHz Step-Down Converter

Download the MP1591DS datasheet PDF. This datasheet also covers the MP1591 variant, as both devices belong to the same 330khz step-down converter family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MP1591-MPS.pdf) that lists specifications for multiple related part numbers.

Other Datasheets by Monolithic Power Systems

Part Number Description
MP1591DN 330KHz Step-Down Converter
MP1591 330KHz Step-Down Converter
MP1593 385kHz Step-Down Converter
MP1593DN 385kHz Step-Down Converter
MP150 Offline Primary-Side Regulator
MP150GJ Offline Primary-Side Regulator
MP150GS Offline Primary-Side Regulator
MP1519 High Efficiency Charge Pump 4 White LED Driver
MP1519DQ High Efficiency Charge Pump 4 White LED Driver
MP1530 Triple Output Step-Up Plus Linear Regulators

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.

View original datasheet text
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.