Typical Application for MIC2841A: High Efficiency 4 Channel Linear WLED Driver with DAM and Ultra Fast PWM Control

Reference Design using part MIC2841A by Microchip Technology

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Manufacturer

Microchip Technology
  • Application Category
    Lighting
  • Product Type
    White LED Driver

For End Products

  • Lighting

Description

  • Typical Application for MIC2841A: High Efficiency 4 Channel Linear WLED Driver with DAM and Ultra Fast PWM Control. The MIC2841A is a high efficiency White LED (WLED) driver designed to drive up to four WLEDs, greatly extending battery life for portable display backlighting, keypad backlighting and camera flash in mobile devices. The MIC2841A provides the highest possible efficiency as this architecture has no switching losses present in traditional charge pumps or inductive boost circuits. The MIC2841A provides four linear driver channels which maintain constant current for up to four WLEDs. It features a typical dropout of 40mV at 20mA. This allows the WLEDs to be driven directly from the battery eliminating switching noise/losses present with the use of boost circuitry

Featured Parts (1)

Featured Parts
Part Number Manufacturer Type Description
MIC2841AYMT-TR Microchip Technology LED Drivers LED Driver 4 Segment 10-Pin TDFN EP T/R Buy

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