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MIC2841A

Part Number	MIC2841A
Manufacturer	Micrel Semiconductor
Description	High Efficiency 4 Channel Linear WLED Driver
Published	Apr 19, 2011
Detailed Description	MIC2841A High Efficiency 4 Channel Linear WLED Driver with DAM™ and Ultra Fast PWM™ Control General Description Featur...
Datasheet	MIC2841A PDF File

Overview

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 • Match...

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