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MP2488 - 2A High Power LED Driver

General Description

The MP2488 is a fixed frequency step-down switching regulator to deliver a constant current of up to 2A to high power LEDs.

It integrates a high-side, high voltage power MOSFET with a current limit of 3.2A.

Key Features

  • Wide 4.5V to 55V Operating Input Range.
  • 220mΩ Internal Power MOSFET.
  • Up to 200kHz Programmable Switching Frequency.
  • 130μA Quiescent Current.
  • Ceramic Capacitor Stable.
  • Internal Soft-Start.
  • Up to 97.5% Efficiency.
  • 200mV reference voltage for high efficiency.
  • Available in 3x3mm 10-Pin QFN and SOIC8 with Exposed Pad Packages.

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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 MP2488 is a fixed frequency step-down switching regulator to deliver a constant current of up to 2A to high power LEDs. It integrates a high-side, high voltage power MOSFET with a current limit of 3.2A. The wide 4.5V to 55V input range accommodates a variety of step-down applications, making it ideal for automotive, industry and general lighting applications. Peak current mode control and 200mV reference are applied for fast loop response, easy compensation and accurate LED current regulation. The switching frequency is programmable with an external resistor up to 200kHz, which can prevent EMI (Electromagnetic Interference) noise problems. The thermal shut down provides reliable, fault tolerant operations.