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MIC2843A - High-Efficiency 6-Channel Linear WLED Driver

Features

  • The MIC2843A is a high efficiency linear White LED.
  • High Efficiency (no Voltage Boost losses) (WLED) driver designed to drive up to six WLEDs, greatly.
  • Dynamic Average Matching (DAM™) extending battery life for portable display backlighting.
  • Ultra Fast PWM™ control (200Hz to 500kHz) keypad backlighting, and camera flash in mobile devices.
  • Input voltage range: 3.0V to 5.5V The MIC2843A provides the highest possible efficiency as.
  • Dropout of 40mV at 2.

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Datasheet Details

Part number MIC2843A
Manufacturer Micrel Semiconductor
File Size 932.40 KB
Description High-Efficiency 6-Channel Linear WLED Driver
Datasheet download datasheet MIC2843A Datasheet

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Full PDF Text Transcription

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MIC2843A High Efficiency 6 Channel Linear WLED Driver with DAM™ and Ultra Fast PWM™ Control General Description Features The MIC2843A is a high efficiency linear White LED • High Efficiency (no Voltage Boost losses) (WLED) driver designed to drive up to six WLEDs, greatly • Dynamic Average Matching (DAM™) extending battery life for portable display backlighting • Ultra Fast PWM™ control (200Hz to 500kHz) keypad backlighting, and camera flash in mobile devices. • Input voltage range: 3.0V to 5.5V The MIC2843A provides the highest possible efficiency as • Dropout of 40mV at 20mA this architecture has no switching losses present in traditional charge pumps or inductive boost circuits. The • Matching better than ±1.
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