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SGM3146

Part Number	SGM3146
Manufacturer	Shengbang Microelectronics
Description	8-Channel Charge Pump White LED Driver
Published	May 17, 2016
Detailed Description	SGM3146 8-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL DESCRIPTION The SGM3146 is a hig...
Datasheet	SGM3146 PDF File

Overview

SGM3146 8-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL DESCRIPTION The SGM3146 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 SGM3146 supports up to 8 white LEDs and regulates a constant current which the initial value can be set by an internal resistor.
The part implemen...

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