A = consistent, good-quality patient-oriented evidence; B = inconsistent or limited-quality patient-oriented evidence; C = consensus, disease-oriented evidence, usual practice, expert opinion, or case series.
An LED driver is the power supply for an LED system, much like a ballast is to a fluorescent or HID lighting system, says Al Marble, manager - sales & market development for Philips-Advance Transformer.
The driver converts 120V (or other voltage) 60Hz AC power to low-voltage DC power required by the LEDs, and protects the LEDs from line-voltage fluctuations. Sodhi also believes that one of the most important LED driver features to examine is the quality of the DC output voltage of the driver.To maximize the light output from the LEDs without overstressing them requires a constant DC current to be maintained through them, he says.he driver converts 120V (or other voltage) 60Hz AC power to low-voltage DC power required by the LEDs, and protects the LEDs from line-voltage fluctuations. Sodhi also believes that one of the most important LED driver features to examine is the quality of the DC output voltage of the driver.