Control for a switching power supply having automatic burst...

Details Control for a switching power supply having automatic burst... Control for a switching power supply having automatic burst...

2006-06-20

2006-06-20

Sterrett, Jeffrey (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S021120

Reexamination Certificate

active

07064968

ABSTRACT:
Provided is a control module circuit for use with a switching power supply (SPS). The control module circuit has normal and standby operation modes controls switch-on/off operations of a switching device by using a feedback voltage that is inversely proportional to an output voltage. The control module circuit includes a voltage set-up unit and a switching control signal generating unit. The voltage set-up unit provides a first voltage used for a switch-on operation of the switching device in response to changes in the feedback voltage and a second voltage used for a switch-off operation of the switching device in response to changes in the feedback voltage, in the standby operation mode. The switching control signal generating unit generates a control signal used to turn on the switching device when the first voltage is provided from the voltage set-up unit and a control signal used to turn off the switching device when the second voltage is provided from the voltage set-up unit.

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