SGM3747 Overview
The SGM3747 is a versatile constant current LED driver with a high efficiency step-up converter architecture. The low-side power MOSFET is integrated in the device, significantly shrinking the overall PCB layout area and minimizing the total number of external ponents. Unique technology and high 1.6A current limit allow SGM3747 to drive up to 38V output (10 LEDs in series).
SGM3747 Key Features
- Wide Output Range: Up to 10 Series LEDs
- Integrated 40V High Current Switch (1.6A Limit)
- 2.7V to 5.5V Input Voltage Range
- High Efficiency PWM Converter
- Low 200mV Feedback Voltage
- 500kΩ Pull-Low Resistor on CTRL Pin
- 2kHz to 60kHz PWM Dimming Frequency
- 38V Open LED Protection
- 1.1MHz Switching Frequency
- Integrated Soft-Start Function