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SGM3133

Part Number	SGM3133
Manufacturer	Shengbang Microelectronics
Description	4-Channel Charge Pump White LED Driver
Published	May 17, 2016
Detailed Description	SGM3133 4-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL DESCRIPTION The SGM3133 is a hig...
Datasheet	SGM3133 PDF File

Overview

SGM3133 4-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL DESCRIPTION The SGM3133 is a high efficiency and cost effective charge pump white LED driver.
It supports up to 4 white LEDs and regulates a constant current for uniform intensity.
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.
User can easily configure each LED current from 1.
25mA to 20mA by a pulse dimming control.
The dimming of...

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