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SGM3133 4-Channel Charge Pump White LED Driver

SGM3133 Description

SGM3133 4-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL .
The SGM3133 is a high efficiency and cost effective charge pump white LED driver.

SGM3133 Features

* Input Voltage Range: 2.7V to 5.5V
* Drives up to 4 LEDs at 20mA Each
* 16-Step Brightness Control
* High Efficiency by Fractional Conversion with 1× and 1.5× Modes
* Automatic Charge Pump Mode Selection
* Switching Frequency: 1MHz
* 1% Typical LED Current Matching

SGM3133 Applications

* User can easily configure each LED current from 1.25mA to 20mA by a pulse dimming control. The dimming of white LEDs current can be achieved by applying a pulse signal to the EN/SET pin. There are totally 16 steps of current could be set by users. The operating voltage range is 2.7V to 5.5V. Intern

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Datasheet Details

Part number
SGM3133
Manufacturer
Shengbang Microelectronics
File Size
322.36 KB
Datasheet
SGM3133-ShengbangMicroelectronics.pdf
Description
4-Channel Charge Pump White LED Driver

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📌 All Tags

4-Channel Charge Pump White LED Driver Shengbang Microelectronics
Shengbang Microelectronics SGM3133-like datasheet