Configuration and controlling method of boost circuit having...

Details Configuration and controlling method of boost circuit having... Configuration and controlling method of boost circuit having...

2008-05-06

2008-05-06

Laxton, Gary L. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S901000

Reexamination Certificate

active

07368899

ABSTRACT:
The proposed boost circuit includes a DC/DC converter having a switch, receiving an input voltage and outputting an input voltage feedback signal, an output voltage feedback signal, an input current feedback signal and an output voltage after a boost of the input voltage, and a feedback control circuit having a pulse-width modulation limiting controller, coupled to the converter, receiving the input voltage feedback signal, the output voltage feedback signal and the input current feedback signal and generating an output signal with a fixed time period. The output signal is employed to control the switching of the switch so as to generate the boost.

REFERENCES:
patent: 6657417 (2003-12-01), Hwang
patent: 6781352 (2004-08-01), Athari et al.

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