SGM3144 Datasheet - Shengbang Microelectronics

SGM3144 - 6-Channel PWM Dimming Charge Pump White LED Driver

The SGM3144 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.

SGM3144 Features

* Input Voltage Range: 2.7V to 5.5V

* Drives up to 6 LEDs at 27mA Each

* PWM Dimming

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

* Switching Frequency: 0.93MHz

* Regulated Output Current with ±4.8% Matching

* Internal Soft-Start Limits Inrush Current

SGM3144-ShengbangMicroelectronics.pdf