Switching power converter with a secondary-side control

Details Switching power converter with a secondary-side control Switching power converter with a secondary-side control

2008-03-06

2010-11-16

Patel, Rajnikant B (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S095000, C323S222000

Reexamination Certificate

active

07835163

ABSTRACT:
This invention discloses a power converter with a secondary-side control, including an input circuit with one or more switches, an output circuit with an output end and a controller, and a transformer with a primary-side coil assembly connecting the switch(es) and a secondary-side coil assembly connecting the output circuit. The on/off state of the switch(es) is controlled by variations in voltage of primary-side coil assembly. The controller in the output circuit detects an output voltage and sends detected results to the primary-side coil assembly as a feedback for primary-side coil assembly to regulate the PWM or PFM action of the switch in a specific way to maintain voltage stability.

REFERENCES:
patent: 4400767 (1983-08-01), Fenter
patent: 7023717 (2006-04-01), Nakagawa

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