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MIC2287

Micrel Semiconductor
Part Number MIC2287
Manufacturer Micrel Semiconductor
Description 1.2MHz PWM White LED Driver
Published Mar 22, 2005
Detailed Description MIC2287 MIC2287 Micrel, Inc. 1.2MHz PWM White LED Driver with OVP in 2mm × 2mm MLF™ and Thin SOT-23 General Descript...
Datasheet PDF File MIC2287 PDF File

MIC2287
MIC2287

Overview
MIC2287 MIC2287 Micrel, Inc.
1.
2MHz PWM White LED Driver with OVP in 2mm × 2mm MLF™ and Thin SOT-23 General Description The MIC2287 is a 1.
2MHz pulse width modulated (PWM), boost-switching regulator that is optimized for constantcurrent, white LED driver applications.
With a maximum output voltage of 34V and a switch current of over 500mA, the MIC2287 easily drives a string of up to 8 white LEDs in series, ensuring uniform brightness and eliminating several ballast resistors.
The MIC2287 implements a constant frequency, 1.
2MHz PWM control scheme.
The high frequency PWM operation saves board space by reducing external component sizes.
The added benefit of the constant frequency PWM scheme ...


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