Output sensor circuit for power supply regulation with main...

Details Output sensor circuit for power supply regulation with main... Output sensor circuit for power supply regulation with main...

2004-10-12

2008-11-25

Sterrett, Jeffrey L (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S089000, C363S097000, C323S284000

Reexamination Certificate

active

07457137

ABSTRACT:
A sense circuit is provided connected to a control loop of a circuit having an output. The sense circuit receives a signal derived from the output of the circuit and provides a controlling signal to the control loop. In one embodiment, the sense circuit is connected to the output of a switching power supply and monitors the switched output to ensure that the main output of the power supply is kept within predetermined thresholds. The sense circuit includes first and second comparators comparing the switched output, in one embodiment, to a reference voltage, on one hand, and comparing the main output signal to the reference voltage, on the other hand.

REFERENCES:
patent: 6946820 (2005-09-01), Ishii et al.
patent: 7023187 (2006-04-01), Shearon et al.

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