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MP2489DN - Step Down White LED Driver

Download the MP2489DN datasheet PDF. This datasheet also covers the MP2489 variant, as both devices belong to the same step down white led driver family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MP2489-MPS.pdf) that lists specifications for multiple related part numbers.

General Description

The MP2489 is a high efficiency step-down converter designed in continuous current mode for driving the high brightness Light Emitting Diodes (LED) from wide input voltage 6V–60V.

The MP2489 employs hysteretic control architecture to regulate a high accuracy LED current, which is measured through an external high-side current sensing resistor.

Moreover, this control scheme provides optimized circuit stabilization and very quick response time without the loop compensation.

Overview

The Future of Analog IC Technology.

Key Features

  • Internal 65V MOSFET.
  • Wide 6V to 60V Input Range.
  • ≥1A Output Current.
  • High Efficiency (>95%).
  • Hysteresis Control.
  • PWM & Analog Dimming.
  • 1000:1 PWM Dimming Resolution.
  • Thermal Shutdown.
  • Inherent Open LED Protection.
  • Short LED Protection.
  • Available in TSOT23-5, QFN6(3x 3mm) and SOIC8E Packages.

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