Duty feed forward method and apparatus for modulating a duty...

Details Duty feed forward method and apparatus for modulating a duty... Duty feed forward method and apparatus for modulating a duty...

2007-09-04

2011-10-18

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S284000

Reexamination Certificate

active

08040122

ABSTRACT:
The duty of a PWM signal in a power converter is extracted to feed forward to modulate the slope of a linear oscillating ramp signal or the voltage level of an error signal, so as to modulate the duty of the PWM signal, by which the transient response of the power converter and the stability of the PWM loop both are improved.

REFERENCES:
patent: 3971972 (1976-07-01), Stich
patent: 5708578 (1998-01-01), Stoddard et al.
patent: 6049473 (2000-04-01), Jang et al.
patent: 6912144 (2005-06-01), Clavette
patent: 7126397 (2006-10-01), Mok
patent: 2006/0055433 (2006-03-01), Yang et al.

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