Texas Instruments Incorporated (TI) introduced a new high-performance, transition-mode power-factor correction (PFC) controller with zero power detect and improved slew-rate response—the UCC38051. The ...
Fairchild Semiconductor's FAN6920MRis an integrated critical mode PFC and quasi-resonant current mode PWM controller that meets regulatory requirements by providing >90 percent efficiency and 300mW at ...
In Part 1 of this article we discussed electric power basics and the need for and advantages of active power factor correction. The next question should be “Okay, then how does active PFC work?” ...
Total harmonic distortion (THD) is the harmonic distortion present in a signal, defined as the ratio of the root-mean square (RMS) amplitude of a set of higher harmonic frequencies to the RMS ...
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