SGM3138 - 6-Channel Charge Pump White LED Driver
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 ultr
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