SGM3146 Description
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.
SGM3146 Key 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
- Switching Frequency: 0.93MHz
- Regulated Output Current with ±4.8% Matching
- Internal Soft-Start Limits Inrush Current
- Low Input Ripple and Low EMI
- Over-Current and Over-Temperature Protection
- Under-Voltage Lockout with Hysteresis
SGM3146 Applications
- Input Voltage Range: 2.7V to 5.5V
- Drives up to 8 LEDs at 27mA Each