This is a LED driver board based on L6726A, it supports 1A/1.5A/2.8A LED strings, and has the features of high efficiency, easy dimming and scalability.
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 is intended for driving LED strings with currents up to 2.8 A.
| Input voltage | 8V to 18 V |
|---|---|
| Output voltage | 2.5 V to 14V (at Vin=18V) |
| 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% (at Vin=18V, Vout=12.6V) |
The board accepts an input voltage between 8V and 18 V.
The device supports an output current up to 2.8 A.