SGM3131 Datasheet (Shengbang Microelectronics) - 120mA 4-Channel Charge Pump White LED Driver

SGM3131, 120mA 4-Channel Charge Pump White LED Driver

The SGM3131 is a current-regulated white LED driver with integrated low dropout current sources and a high efficiency charge pump.

The charge pump has automatically selectable 1×/1.5× fractional operation modes.

The SGM3131 is well suited for white LED applications powered by a Li-Ion battery due to

SGM3131 Features

* Input Voltage Range: 2.7V to 5.5V

* Support up to 4 LEDs at 30mA Each

* 16-Step LED Brightness Control Through One-Wire Interface

* 1× and 1.5× Charge Pump for High Conversion Efficiency

* Switching Frequency: 1MHz

* 1% Regulated LED Current Matching

* Built-in Soft-Sta