… peak current mode, so the transformer's primary winding current is … PFC fed single-stage
LED driver is discussed in this section. … with low cost, high PF and high efficiency. In future the …

… There are two operating modes analyzed in detail in the proposed circuit and every
mode has two stages. One is to charge and store energy for battery and supply power for …

… present a higher efficacy … higher than the minimum value specified by the US Energy Star
program [18]. The conventional drivers proposed to fulfill these standards are two-stage LED …

… improving the efficiency of an integrated buck-flyback LED driver.… Furthermore, if a two stage
driver has several LED strings in … plus emergency driver that works both as LED driver and …

… Both, the buck and flyback converters are the most used topologies to implement single-stage
LED drivers. Both converters show accurate output current control and acceptable power …

… shown by LEDs: longer lifetime, higher efficacy, smaller size, … a better performance the
two-stage LED drivers are proposed… buck flyback converter used as high PF LED driver is …

… The integrated buck-flyback-buck converter (IBFBC) is built by … in backlighting panels,
emergency lights, and street lighting, … (3) Subtracter, controller, and driver: The first stage is a …

… field during a lightning strike, there is an urgent need for a … article, a novel high-voltage
pulse generator with a two-stage … /falling time and high repetition rate for pockels cell drivers,” …

… and constant output current source simultaneously. Most commonly used single-stage
drivers are based on the buck and flyback converters. Both show good output control with …

… do current limiting, and it requires a high side driver [6,7]. … shows its key waveforms in
continuous current mode (CCM). … o is the desired output voltage ripple of the flyback stage. The …