Power factor correction controller with feedback reduction

Details Power factor correction controller with feedback reduction Power factor correction controller with feedback reduction

2007-12-31

2011-10-18

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C323S222000, C323S285000

Reexamination Certificate

active

08040703

ABSTRACT:
A power control system includes a feedback loop having a power factor correction (PFC) and output voltage controller and a switching power converter. The switching power converter includes an inductor to supply charge to an output capacitor and a switch to control inductor current ramp-up times. The PFC and output voltage controller provides a control signal to the switch to control PFC and regulate output voltage of the switching power converter. During a single period of the control signal, the PFC and output voltage controller obtains the line input voltage and output voltage of the switching power converter using a single feedback signal received from the switching power converter.

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