This data brief introduces STEVAL-ILL023V1 demonstration board, which is a high-efficiency switching LED driver based on L6726A single phase PWM controller, designed to drive 2.8A LEDs (1-3 in series string) and has exceptional efficiency, easy dimming and scalability to even higher currents.
The STEVAL-ILL023V1 is a demonstration board designed as a high-efficiency switching LED driver for high-current LEDs. It is based on the L6726A single-phase PWM controller and utilizes two external MOSFETs for synchronous rectification. The design supports LED strings with currents up to 2.8 A and features exceptional efficiency, reaching 94.8% under specific test conditions.
| Input voltage | 8V to 18 V |
|---|---|
| Output voltage | 2.5 V to 14V |
| Output current | 1A/1.5A/2.8A |
| PWM signal low level | 0 V |
| PWM signal high level | 2.8 V to 3.8 V |
| Duty cycle | 0% to 99% |
| Efficiency | 94.8 % |
It is a high-efficiency switching LED driver intended for high-current LEDs based on the L6726A controller.
The device accepts an input voltage ranging from 8V to 18 V.
The solution is designed for connecting one, two, or three LEDs in a series string.