Description
The AL8843Q is a hysteresis mode DC-DC step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage.
Features
- Qualified to AEC-Q100 Grade 1.
- Wide Input Voltage Range: 4.5V to 40V.
- Output Current up to 3A.
- Internal 40V NDMOS Switch.
- Typical 4% Output Current Accuracy.
- Single Pin for On/Off and Brightness Control by DC Voltage or
PWM Signal.
- Recommended Analog Dimming Range: 10% to 100%.
- Soft-Start.
- High Efficiency (Up to 97%).
- LED Short Protection.
- Inherent Open-Circuit LED Protection.
- Over Temper.
AL8843Q Datasheet
