Here is a look back of Allegro’s A8515, a wide input voltage range, high efficiency fault tolerant white LED driver. The device was made available in the market since 2010. It features multiple output ...

Four linear LED controllers, Diodes’ AL5814, AL5817, AL5815, and AL5816, deliver dimmable and adjustable drive current with 80% efficiency. They operate over a wide input voltage range of 4.5 V to 60 ...

This file type includes high resolution graphics and schematics when applicable. Light-emitting diodes (LEDs) are semiconductor devices that emit light when an electrical current passes through ...

This file type includes high resolution graphics and schematics when applicable. The circuit in Figure 1 uses a bicolor (red/green) LED to indicate the voltage measured with a set of three color ...

Linear constantcurrent drivers, for instance, offer low EMI, low cost, and use only a few components. Many designers favor them for low-current applications where power loss is a minor concern. If ...