SGM3146 Datasheet (Shengbang Microelectronics) - 8-Channel Charge Pump White LED Driver

SGM3146, 8-Channel Charge Pump White LED Driver

The SGM3146 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

SGM3146 Features

* Input Voltage Range: 2.7V to 5.5V

* Drives up to 8 LEDs at 27mA Each

* One Single Wire Interface

* 16-Step Brightness Control

* High Efficiency by Fractional Conversion with 1× and 1.5× Modes

* Switching Frequency: 0.93MHz

* Regulated Output Current with ±4.8% Matching