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SGM3139

Part Number	SGM3139
Manufacturer	Shengbang Microelectronics
Description	6-Channel 1-Wire Dimming LED Driver
Published	May 17, 2016
Detailed Description	SGM3139 6-Channel 1-Wire Dimming LED Driver with Ultra Low Dropout Current Source GENERAL DESCRIPTION FEATURES The SG...
Datasheet	SGM3139 PDF File

Overview

SGM3139 6-Channel 1-Wire Dimming LED Driver with Ultra Low Dropout Current Source GENERAL DESCRIPTION FEATURES The SGM3139 is a 6-channel ultra low dropout constant source parallel LED driver.
The SGM3139 uses an internal resistor to set the bias current for six LEDs, which are matched to ±3%.
The SGM3139 incorporates a single wire interface to program the output current at 16 continuous steps.
It has an internal deglitch circuit for filtering the noise of the EN input.
The SGM3139 requires only a 35mV dropout voltage at a 20mA load.
The feature makes SGM3139 ideal for battery-operated systems, such as personal digital assistants.
● Ultra Low Dropout: 35mV/20mA ● Support up to 6 LEDs ● L...

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