L4985A/B and L4986A/B power-factor correction (PFC) boost converters from ST integrate 800V startup circuitry and additional valuable proprietary features. The built-in high-voltage startup capability ...

Find a downloadable version of this story in pdf format at the end of the story. Until now, it was considered impossible to have an AC-DC converter with PFC and isolation features provided in a single ...

STMicroelectronics’ L4985A/B and L4986A/B power-factor correction (PFC) boost converters look to simplify design and enhance flexibility by integrating 800V startup circuitry and additional valuable ...

This circuit provides latching and high-speed overcurrent protection for power-factor corrected (PFC) boost converters operating at dc voltages to 380 V. Overcurrent damage of PFC front-end boost ...

This application note presents practical step-by-step design considerations for a Boundary-Conduction-Mode (BCM) Power-Factor-Correction (PFC) converter employing Fairchild PFC controller, FL7930. It ...

Researchers develop a sensorless boost PFC method delivering near 0.9998 power factor and low distortion, enabling smaller and more reliable power supplies for consumer electronics. Single-phase power ...

Power factor correction (PFC) converters are critical components in modern power electronics, designed to improve the efficiency and quality of power distribution by minimising harmonic distortion in ...