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MIC2843

Part Number	MIC2843
Manufacturer	Micrel Semiconductor
Description	High-Efficiency 6-Channel Linear WLED Driver
Published	Apr 19, 2011
Detailed Description	MIC2843 High-Efficiency 6-Channel Linear WLED Driver with Ultra-Fast PWM™ Control General Description The MIC2843 is a ...
Datasheet	MIC2843 PDF File

Overview

MIC2843 High-Efficiency 6-Channel Linear WLED Driver with Ultra-Fast PWM™ Control General Description The MIC2843 is a high-efficiency linear white LED (WLED) driver designed to drive up to six WLEDs, greatly extending battery life for portable display backlighting, keypad backlighting, and camera flash in mobile devices.
The MIC2843 provides the highest possible efficiency as this architecture has no switching losses present in traditional charge pumps or inductive boost circuits.
The MIC2843 provides six linear drivers which maintain constant current for up to six WLEDs.
It features a typical dropout of less than 40mV at 20mA.
This allows the WLEDs to be driven directly from the battery e...

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