Description
The SGM3124 is a charge pump with PWM brightness control for white LED supplies in LCD display backlight applications.
Features
- Input Voltage Range: 2.7V to 5.5V.
- Drives up to 3 LEDs at 30mA Each.
- LED Brightness Control Through PWM Control
Signal.
- High Efficiency by Fractional Conversion with 1×
and 1.5× Modes.
- Switching Frequency: 1MHz.
- Regulated Output Current with 0.5% Matching.
- Internal Soft-Start Limits Inrush Current.
- Low Input Ripple and Low EMI.
- Over-Current and Over-Temperature Protected.
- Under-Voltage Lockout With Hystere.
SGM3124 Datasheet
