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MIC2841A - High Efficiency 4 Channel Linear WLED Driver

Features

  • The MIC2841A is a high efficiency White LED (WLED).
  • High Efficiency (no Voltage Boost losses) driver designed to drive up to four 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 MIC2841A provides the highest possible efficiency as.
  • Dropout of 40mV at 20mA t.

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Datasheet Details

Part number MIC2841A
Manufacturer Micrel Semiconductor
File Size 928.32 KB
Description High Efficiency 4 Channel Linear WLED Driver
Datasheet download datasheet MIC2841A Datasheet

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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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MIC2841A High Efficiency 4 Channel Linear WLED Driver with DAM™ and Ultra Fast PWM™ Control General Description Features The MIC2841A is a high efficiency White LED (WLED) • High Efficiency (no Voltage Boost losses) driver designed to drive up to four 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 MIC2841A 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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