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MIC2842A

Part Number	MIC2842A
Manufacturer	Micrel Semiconductor
Description	High Efficiency 4 Channel WLED Driver
Published	Apr 19, 2011
Detailed Description	MIC2842A High Efficiency 4 Channel WLED Driver with DAM™ and Single Wire Digital Control General Description Features ...
Datasheet	MIC2842A PDF File

Overview

MIC2842A High Efficiency 4 Channel WLED Driver with DAM™ and Single Wire Digital Control General Description Features The MIC2842A is a high efficiency White LED (WLED) • High Efficiency (no Voltage Boost losses) driver designed to drive up to four LEDs and greatly • Dynamic Average Matching™ (DAM™) extend battery life for portable display backlighting, and • Single wire digital control keypad backlighting in mobile devices.
The MIC2842A • Input voltage range: 3.
0V to 5.
5V architecture provides the highest possible efficiency by • Dropout of 40mV at 20mA eliminating switching losses present in traditional charge pumps or inductive boost circuits.
With a typical dropout of • Matching bette...

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