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MIC3289

Part Number	MIC3289
Manufacturer	Micrel Semiconductor
Description	1.2MHz PWM White LED Driver
Published	Sep 13, 2007
Detailed Description	www.DataSheet4U.com MIC3289 1.2MHz PWM White LED Driver with Internal Schottky Diode and True 1-Wire Digital Control PR...
Datasheet	MIC3289 PDF File

Overview

www.
DataSheet4U.
com MIC3289 1.
2MHz PWM White LED Driver with Internal Schottky Diode and True 1-Wire Digital Control PRELIMINARY INFORMATION General Description The MIC3289 is a PWM boost-switching regulator that is optimized for constant-current white LED driver applications.
The MIC3289 features an internal Schottky diode, allowing an efficient DC/DC solution that requires only 4 external components.
The MIC3289 allows for a single wire simple digital interface to control the dimming over 16 steps with a log scale to give better resolution at the lower currents to better match the sensitivity of the human eye The feedback voltage of the MIC3289 is only 250mV, allowing high efficiency whi...

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