A Power Factor Correction (PFC) circuit according to the present invention includes a boost converter which outputs a predetermined voltage according to control of a switch. The switch is coupled to a resistor and a capacitor which, by forming a current detector, detect the current flowing through an...http://www.google.fr/patents/US6178104?utm_source=gb-gplus-shareBrevet US6178104 - Power factor correction circuit using reverse sawtooth waves
Power factor correction circuit using reverse sawtooth waves
