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SGM3138 6-Channel Charge Pump White LED Driver

SGM3138 Description

SGM3138 6-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL .
The SGM3138 is a high performance white LED driver.

SGM3138 Features

* Input Voltage Range: 2.7V to 5.5V
* Drives Up to 6 LEDs at 20mA Each
* One Single Wire Interface
* 16-Step Brightness Control
* High Efficiency by Fractional Conversion with 1× and 1.5× Modes
* Switching Frequency: 1MHz
* Regulated Output Current with ±5% Matching

SGM3138 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 implements a 4-bit DAC for brightness control. Users can easily configure the LED current from 1.25mA to 20mA by a serial pulse. The dimming of white LEDs cu

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Datasheet Details

Part number
SGM3138
Manufacturer
Shengbang Microelectronics
File Size
314.92 KB
Datasheet
SGM3138-ShengbangMicroelectronics.pdf
Description
6-Channel Charge Pump White LED Driver

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6-Channel Charge Pump White LED Driver Shengbang Microelectronics
Shengbang Microelectronics SGM3138-like datasheet