Features and Benefits

  • Constant Current Regulation for Uniform Illumination
  • Up to 84% Efficiency
  • Flexible Analog or PWM Dimming Control
  • Low 15mVP-P Input Ripple
  • 0.9W Output Power with Internal 30V MOSFET Switch
  • Output Overvoltage Protection Eliminates Zener Diode
  • Small, Low-Profile Components
  • 2.6V to 5.5V Input Range
  • 0.01µA Shutdown Current
  • Thin QFN 4mm x 4mm IC Package
  • Fully Assembled and Tested

Product Details

The MAX1582 evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX1582 white LED step-up converter. The circuit operates from 2.6V to 5.5V and delivers 0 to 20mA to light a series of up to six white LEDs. The evaluation kit has two groups of white LEDs—a main group with four LEDs, and a subgroup with two LEDs. These two groups of LEDs have independent shutdown/enable control through jumpers provided on the board. A flexible dimming feature allows the LED brightness to be controlled with either an analog voltage or a PWM signal.


  • Cell Phones with One or Two Displays
  • Other Handheld Devices with Dual Displays
  • Smartphones, Palmtops, and Wireless Handhelds

Documentation & Resources