Compensation circuit method of operations thereof and converter

Details Compensation circuit method of operations thereof and converter Compensation circuit method of operations thereof and converter

1999-09-15

2000-05-30

Han, Jessica

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 16, 323288, H02M 324, G05F 144

Patent

active

060698071

ABSTRACT:
For use with a switched-mode power converter having a modulator that develops a drive signal for a power switch, a compensation circuit, a method of compensating for a change in an output characteristic of the converter and a converter employing the circuit or the method. In one embodiment the compensation circuit includes (1) a sensor that senses the output characteristic and (2) a filter, coupled to the sensor, that develops an intermediate signal representing a change in the output characteristic. The modulator adjusts a switching period of the drive signal as a function of the intermediate signal thereby to decrease a reaction delay of the converter.

REFERENCES:
patent: 5051880 (1991-09-01), Harm et al.
patent: 5347442 (1994-09-01), Henmi et al.
patent: 5914866 (1999-06-01), Eguchi et al.

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