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LM2755

Part Number	LM2755
Manufacturer	National Semiconductor
Description	Charge Pump LED Controller
Published	Jun 8, 2009
Detailed Description	LM2755 Charge Pump LED Controller with I2C Compatible Interface October 2007 LM2755 Charge Pump LED Controller with I2...
Datasheet	LM2755 PDF File

Overview

LM2755 Charge Pump LED Controller with I2C Compatible Interface October 2007 LM2755 Charge Pump LED Controller with I2C Compatible Interface www.
datasheet4u.
com in Micro SMD General Description The LM2755 is a charge-pump-based, constant current LED driver capable of driving 3 LEDs with a total output current up to 90mA.
The diode current waveforms of each LED can be trapezoidal with timing and level parameters (rise time, fall time, high level, low level, delay, high time, low time) programmed via an I2C compatible interface.
The 32 brightness levels found on the LM2755 are exponentially spaced (as opposed to linearly spaced) to better match the response of the human eye to changing brigh...

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