This app note provides a simple circuit to drive high brightness LEDs. It requires minimum external components and it provides both linear and PWM dimming. Ideal for Osram, Lumileds, Cree, and Nichia ...
This design example report describes a 29 W high power factor, isolated flyback LED driver with DALI dimming. The design utilizes the LYT6067C from the LYTSwitch-6 family of devices. It has a voltage ...
LED-driver circuits can be dimmed by applying a variable duty cycle (pulse-width modulation, or PWM) to the LED. PWM exploits LED behavior: At higher current levels, the LED’s light output is higher ...
Lighting a string of LEDs at a constant brightness requires driving it with a regulated current. A boost converter is commonly used to step up the voltage to a level high enough to bias the LEDs on ...
Nearly all lighting applications today use LEDs. In a relatively short amount of time, they have become established as the preferred choice of illumination. However, in most applications, an LED can’t ...
Research in LED drivers and power converters continues to drive advances in efficient energy management and precision control for modern lighting applications. These systems are crucial to optimising ...