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MIC3291

Part Number	MIC3291
Manufacturer	Micrel Semiconductor
Description	1.2MHz PWM White LED Driver
Published	Apr 19, 2011
Detailed Description	MIC3291 1.2MHz PWM White LED Driver with Internal Schottky Diode and Single-Wire Linear Brightness Control General Desc...
Datasheet	MIC3291 PDF File

Overview

MIC3291 1.
2MHz PWM White LED Driver with Internal Schottky Diode and Single-Wire Linear Brightness Control General Description Features The MIC3291 is a PWM switching boost regulator that is • Single wire combines 16 level linear brightness and optimized for constant current white LED (WLED) driver shutdown control applications.
The MIC3291 features an internal Schottky • 18V / 25V OVP options supports up to four and six diode, allowing an efficient DC/DC solution that requires WLEDs only four external components.
• Startup in any one of 16 brightness levels The MIC3291 allows for a single-wire simple digital • Internal Schottky diode interface to control the dimming over 16 steps with a ...

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