EDN

10 W TRIAC Dimmable High Efficiency PFC Buck-Boost LED Driver

This engineering report describes a TRIAC dimmable, non-isolated buck-boost LED driver designed to drive a nominal LED voltage string of 38 V at 260 mA from an input voltage range of 90 VAC to 132 VAC ...
Electronic Design

PFC Boost Controllers Eliminate Startup-Circuit Design Challenges

These advanced PFC boost controller ICs, which manage startup scenarios, minimize the add-on components needed to complete circuit function. Experienced designers know that for many system ...
EDN

Low Power, Low Cost 180 W PFC Front End

This document is a reference design report for a low-power, low-cost 180 W PFC front end employing HiperPFS™ PFS708EG. This design operates in an input voltage ranging from 90 VAC to 264 VAC and ...
Machine Design

Application of Electromechanical Contactors for Power Factor Correction

• Electrical power sources supply two types of power to inductive loads: real power in kW and reactive power in VAR. • Power-factor correction circuits can be either an individual style or of the bank ...
Electronic Design

PFC Controller Operates In Critical Conduction Mode

Active PFC controller integrates a number of safety features and functions for off-line power conversion. The controller is ideally suited for PFC applications that operate in critical conduction mode ...