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BCT3258

Part Number	BCT3258
Manufacturer	BROADCHIP
Description	8 Channel Constant Current LED Driver
Published	Feb 11, 2019
Detailed Description	August , 2012, REV2.1 BCT3258 8 Channel Constant Current LED Driver Low Dropout Current Sink General Description The BC...
Datasheet	BCT3258 PDF File

Overview

August , 2012, REV2.
1 BCT3258 8 Channel Constant Current LED Driver Low Dropout Current Sink General Description The BCT3258 is a high performance constant current white LED driver.
The BCT3258 uses an internal resistor to set the bias current for 8 LEDs, which are matched to 3%.
The BCT3258's advantages over ballast resistors include much lower bias variation with supply voltage variation, significantly lower dropout voltage, and in some applications, significantly improved efficiency.
The BCT3258 requires only a 50mV dropout voltage at a 20mA load on each output to match the LED brightness.
Users can easily configure the LED current from 1.
25mA to 20mA by a serial pulse interface.
The dim...

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