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SGM3138

Part Number	SGM3138
Manufacturer	Shengbang Microelectronics
Description	6-Channel Charge Pump White LED Driver
Published	May 17, 2016
Detailed Description	SGM3138 6-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL DESCRIPTION The SGM3138 is a hig...
Datasheet	SGM3138 PDF File

Overview

SGM3138 6-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL DESCRIPTION The SGM3138 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 SGM3138 supports up to 6 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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