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SGM3131

Part Number	SGM3131
Manufacturer	Shengbang Microelectronics
Description	120mA 4-Channel Charge Pump White LED Driver
Published	May 17, 2016
Detailed Description	SGM3131 120mA 4-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL DESCRIPTION The SGM3131 is...
Datasheet	SGM3131 PDF File

Overview

SGM3131 120mA 4-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL DESCRIPTION The SGM3131 is a high performance white LED driver.
It integrates current sources and automatic mode selection charge pump.
The part maintains the high efficiency by utilizing a 1× / 1.
5× fractional charge pump and low dropout current sources.
The small equivalent 1× mode open loop resistance and ultra-low dropout voltage of current source extend the operating time of 1× mode and optimize the efficiency of Li-ion battery in white LED applications.
The SGM3131 supports up to 4 white LEDs and regulates a constant current which the initial value can be set by an external resistor.
The part ...

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