Closed loop direct current to direct current converter that...

Details Closed loop direct current to direct current converter that... Closed loop direct current to direct current converter that...

2006-09-12

2006-09-12

Vu, Bao Q. (Department: 2838)

Electricity: power supply or regulation systems

Input level responsive

Using a linearly acting final control device

C323S285000, C323S283000

Reexamination Certificate

active

07106039

ABSTRACT:
A closed loop DC-to-DC converter circuit that includes an open loop DC-to-DC converter circuit configured to provide charge on its output terminal. A voltage-controlled inverse-resistance component is coupled to the output terminal of the open loop DC-to-DC converter circuit, such that the greater the voltage differential across the component, the lower the resistance provided by the component. A feedback system provides a signal to a control terminal of the open-loop DC-to-DC converter circuit that is dependent on the current provided through the voltage-controlled inverse-resistance component. Specifically, the signal provided by the feedback system causes the open loop DC-to-DC converter circuit to generate more current on the output terminal when there is less current passing through the voltage-controlled inverse-resistance component, and less or no current on the output terminal when there is more current passing through the voltage-controlled inverse-resistance component.

REFERENCES:
patent: 5815380 (1998-09-01), Cuk et al.
patent: 5912552 (1999-06-01), Tateishi
patent: 7023710 (2006-04-01), Durbaum et al.
patent: 7038514 (2006-05-01), Leith et al.

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