SGM3138 Datasheet - Shengbang Microelectronics

SGM3138, 6-Channel Charge Pump White LED Driver

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

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Datasheet Details

Part number:

SGM3138

Manufacturer:

Shengbang Microelectronics

File Size:

314.92 KB

Description:

6-Channel Charge Pump White LED Driver

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

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

SGM3138 Distributors

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SGM3138 6-Channel Charge Pump White LED Driver Shengbang Microelectronics

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